Quick view Details Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single - 11772-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8) - 11771-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11769-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem - 11767-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11765-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11764-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11763-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8 - 11762-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8 - 11755-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11753-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8 - 11752-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8 - 11751-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11749-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8) - 11800-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11797-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4) - 11795-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single - 11795-1 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $29.94 Now: $22.45 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4) - 11794-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11793-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4) - 11792-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 Exhaust Valve Kit - 1.590in Head Dia. 4.800in O/A Length, 0.3415in Stem - 11791-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4) - 11790-4 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $119.80 Now: $89.86 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8 - 11788-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem - 11787-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 429 Bossintake Valve Kit - 2.280in Head Dia. 5.625in O/A Length, 0.3715in Stem - 11786-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8) - 11783-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8) - 11782-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8) - 11781-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11777-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11775-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11773-8 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8) - 11772-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...