Quick view Details Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 MSRP: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $652.80 Now: $489.59 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-8 MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $382.30 Now: $286.72 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8) - 11671B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8) - 11671-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single) - 11671-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4) - 11670HB-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in) - 11670H-8 MSRP: $716.57 Now: $537.42 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8) - 11670B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve) - 11670-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8) - 11669-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) - 11668-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve - 11668-1 MSRP: $31.51 Now: $23.63 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667B-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Details Manley Performance Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8) - 11667-8 MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $378.81 Now: $284.11 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 1.575 Triple Groove Race Master Exhaust Valve for 2009+ Gen III Hemi 5.7L - Set of 8 - 11697-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: Now: $716.57 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove Race Flo Intake Valves (Set of 8) - 11696-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove Race Flo Exhaust Valves (Set of 8) - 11695B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Flo Exhaust Valves (Set of 8) - 11695-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Bead Loc Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694B-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L w/ Triple Groove 2.050in Race Flo Exhaust Valves (Set of 8) - 11694-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $189.01 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem - 11693-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem - 11692-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8) - 11691-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE) - 11691-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8) - 11690-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $252.01 Now: $201.61 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE) - 11690-1 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: $31.51 Now: $25.20 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley LS-7 Small Block Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8) - 11689-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $47.79 Now: $35.84 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $881.51 Now: $661.13 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...
Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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:...