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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-$12.92
Vendor:Manley PerformanceManley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single
Regular price $38.99Regular price$51.91-$12.92 Sale price $38.99 -
-$103.31
Vendor:Manley PerformanceManley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8)
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99 -
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Vendor:Manley PerformanceManley Ford 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
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Vendor:Manley PerformanceManley Ford 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$103.31
Vendor:Manley PerformanceManley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99 -
-$99.43
Vendor:Manley PerformanceManley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43Vendor:Manley Performance
Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
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Vendor:Manley PerformanceManley SBC 1.600 Severe Duty Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Ford 427 (Medium/Hi Riser/Tunnel Port) 1.750 Dia Dish Severe Duty Exhaust Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
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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 $301.99Regular price$401.42-$99.43 Sale price $301.99 -
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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 $311.99Regular price$415.30-$103.31 Sale price $311.99 -
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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 $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$62.59
Vendor:Manley PerformanceManley Small Block Chevrolet 2.080 Dish Race Master Intake Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$99.43
Vendor:Manley PerformanceManley Ford 351C 1.710 Inch Head Diameter / .3415 Inch Stem / Diameter Stock Height ( Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$113.51
Vendor:Manley PerformanceManley Ford 427 (Medium/Hi Riser/Tunnel Port) 2.250 Dia Dish Severe Duty Intake Valves (Set of 8)
Regular price $340.99Regular price$454.50-$113.51 Sale price $340.99 -
-$99.43
Vendor:Manley PerformanceManley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$30.80
Vendor:Manley PerformanceManley Ford 2300 1.590 inEsslingerin Race Master Exhaust Valves (Set of 4)
Regular price $94.99Regular price$125.79-$30.80 Sale price $94.99 -
-$7.45
Vendor:Manley PerformanceManley Ford 2300 1.590 in Esslingerin Race Master Exhaust Valve - Single
Regular price $23.99Regular price$31.44-$7.45 Sale price $23.99 -
-$30.80
Vendor:Manley PerformanceManley Ford 2300 1.890 inEsslingerin Race Master Intake Valves (Set of 4)
Regular price $94.99Regular price$125.79-$30.80 Sale price $94.99 -
-$30.80
Vendor:Manley PerformanceManley Ford 2300 1.890in Esslingerin Race Master Intake Valve (Set of 4)
Regular price $94.99Regular price$125.79-$30.80 Sale price $94.99 -
-$30.80
Vendor:Manley PerformanceManley Ford 2300 2.3L inEsslingerin Race Master 1.890 Intake Valves (Set of 4)
Regular price $94.99Regular price$125.79-$30.80 Sale price $94.99 -
-$62.59
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 $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$103.31
Vendor:Manley PerformanceManley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99