Unleash Aggressive JDM Engine Power With Manley Performance
Unleash aggressive engine power with the Manley Performance collection at HD Werks, featuring genuine, high-performance components engineered for racing and aftermarket tuning. These original parts deliver custom upgrades that optimize engine performance and boost power output. Designed with Japanese precision, Manley Performance products offer authentic quality and reliable dynamic enhancements for superior driving. Experience improved throttle response with parts built for aggressive tuning. Shop our Manley Performance range for original components that transform your engine into a true performance beast.
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Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
Sold outVendor:Manley Performance
Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley SBC 1.600 Severe Duty Intake Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Ford 427 (Medium/Hi Riser/Tunnel Port) 1.750 Dia Dish Severe Duty Exhaust Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8)
Regular price $296.99Regular price$395.52-$98.53 Sale price $296.99 -
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Vendor:Manley PerformanceManley Dart Big Block Pro 1 Stock Length 11/32in Stem Dia Severe Duty Intake Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Small Block Chevrolet 2.080 Dish Race Master Intake Valves (Set of 8)
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley Ford 351C 1.710 Inch Head Diameter / .3415 Inch Stem / Diameter Stock Height ( Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Ford 427 (Medium/Hi Riser/Tunnel Port) 2.250 Dia Dish Severe Duty Intake Valves (Set of 8)
Regular price $324.99Regular price$432.86-$107.87 Sale price $324.99 -
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Vendor:Manley PerformanceManley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
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Vendor:Manley PerformanceManley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single
Regular price $22.99Regular price$29.94-$6.95 Sale price $22.99 -
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Vendor:Manley PerformanceManley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
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Vendor:Manley PerformanceManley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
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Vendor:Manley PerformanceManley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
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Vendor:Manley PerformanceManley Ford Boss 429 Stainless Steel Race Master Intake Valves 2.400 Head Dia 5.570 OA Lgt-Set of 8
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8
Regular price $296.99Regular price$395.52-$98.53 Sale price $296.99 -
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Vendor:Manley PerformanceManley Chrysler Small Block Severe Duty Exhaust Valves 1.625in Head .3715in Stem (Set of 8)
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 2.020in Head .371in Stem (Set of 8)
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley 68-73 Dodge 5.6L Small Block Severe Duty Exhaust Valves 1.6in Head .371in Stem (Set of 8)
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley SBC 2.080 Severe Duty Pro Flo Intake Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
Sold outVendor:Manley Performance
Manley Chevrolet Small Block 2.080 Head .3415 Stem Severe Duty Pro Flo Intake Valve - Single
Regular price $35.99Regular price$47.79-$11.80 Sale price $35.99 -
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Vendor:Manley PerformanceManley SBC 1.600 Severe Duty Exhaust Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy Stainless Steel 2.08in Intake Valves - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8
Regular price $179.99Regular price$239.60-$59.61 Sale price $179.99 -
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Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
Sold outVendor:Manley Performance
Manley Small Block Chevrolet 2.100in Head Diameter .400 Longer Severe Duty Intake Valves - Set of 8
Regular price $296.99Regular price$395.52-$98.53 Sale price $296.99 -
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Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
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Vendor:Manley PerformanceManley Chevrolet Small Block Severe Duty Exhaust Valves 1.500in Head Dia .3415in Stem - Set of 8
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99
