Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 MSRP: $432.86 Now: $324.65 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11883-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11882-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 11881-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11879-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem - 11877-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8) - 11875-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8) - 11874-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8) - 11872-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11871-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11868-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8 MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8) - 11864-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8 MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920H-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... 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MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.524in O/A Length, 0.3085in Stem - 11908-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.474in O/A Length, 0.3085in Stem - 11906-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8) - 11905-8 Stainless Steel Construction: Both exhaust (XH-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 Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi Severe Duty Intake Valves (Set of 8) - 11904B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 Stainless Steel Construction: Both exhaust (XH-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 Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O/A Length, 0.3415in Stem - 11899-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11898-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
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Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.610in O/A Length, 0.3415in Stem - 11896-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 289 - 302 - 351W 1.600 Head Dia 5.080 OA L 5 Deg Dish Race Flo Exhaust Valves (Set of 8) - 11889-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11887-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $382.30 Now: $286.72 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,... MSRP: $395.52 Now: $296.64 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Chevy Big Block 1.940in Diameter 5.422in Length Race Master Exhaust Valves (Set of 8) - 11885-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $239.60 Now: $179.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...
Quick view Manley Performance Manley Ford 427intake Valve Kit - 2.190in Head Dia. 5.446in O/A Length, 0.3715in Stem - 11884-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...