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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-$95.31
Vendor:Manley PerformanceManley Chevy LS-7 Small Block Severe Duty/Pro Flo 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 Chevy LS-6 Head Small Block Severe Duty/Pro Flo 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 Chevy LS-1/LS-2 Small Block 1.575 Pro Flo 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 Chevy LS-1, LS-2 Small Block 1.550 Pro Flo 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 Chrysler Hemi 6.1L 1.625in Race Master B/L Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Single)
Regular price $23.99Regular price$31.51-$7.52 Sale price $23.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.100in Race Flo Intake Valves (Set of 4)
Regular price $537.99Regular price$716.57-$178.58 Sale price $537.99 -
Sold outVendor:Manley Performance
Manley Dodge Hemi 6.1L Stainless Race Flo Intake Valves Set w/ Triple Groove (2.10in)
Regular price $537.99Regular price$716.57-$178.58 Sale price $537.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L 2.100in B/L Race Flo Intake Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Single Valve)
Regular price $23.99Regular price$31.51-$7.52 Sale price $23.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L w/ Bead Lock Groove 1.595in Race Flo Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
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Vendor:Manley PerformanceManley Chrysler Hemi 6.1L w/ Bead Loc Groove 2.080in Race Flo Intake Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
Sold outVendor:Manley Performance
Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves - Single Valve
Regular price $23.99Regular price$31.51-$7.52 Sale price $23.99 -
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Vendor:Manley PerformanceManley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
Sold outVendor:Manley Performance
Manley Dodge Hemi Gen III 5.7L Stainless Race Flo Intake Valves Set w/ Bead Loc Groove (2.020in)
Regular price $537.99Regular price$716.57-$178.58 Sale price $537.99 -
Sold outVendor:Manley Performance
Manley 2.020 Triple Groove Race Flo Hollow Stem Intake Valves for 03-08 5.7L Gen III Hemi - Set of 8
Regular price $537.99Regular price$716.57-$178.58 Sale price $537.99 -
Sold outVendor:Manley Performance
Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 2.020in Race Master Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
-$62.02
Vendor:Manley PerformanceManley thru 08 Chrysler Hemi 5.7L w/ Bead Loc Groove 1.555in Race Master Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
Sold outVendor:Manley Performance
Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 2.000in Race Master Exhaust Valves (Set of 8)
Regular price $189.99Regular price$252.01-$62.02 Sale price $189.99 -
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Vendor:Manley PerformanceManley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8)
Regular price $286.99Regular price$382.30-$95.31 Sale price $286.99 -
Sold outVendor:Manley Performance
Manley thru 2010 Dodge Viper V-10 Race Master Intake Valves (Set of 10)
Regular price $236.99Regular price$315.02-$78.03 Sale price $236.99 -
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Vendor:Manley PerformanceManley VW Type IV Single Groove 38mm 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 VW Type IV Single Groove 48mm 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 VW Rabbit Stainless 40.5mm 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 VW 1200-1600 Triple Groove 37.5mm 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 VW 1200-1600 Triple Groove 43.7mm 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 VW 1200-1600 Triple Groove 35.5mm Race Master Exhaust Valves (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
-$29.81
Vendor:Manley PerformanceManley VW 1200-1600 Triple Groove 35.5mm 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 VW 1200-1600 Triple Groove 42mm 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 VW 1200-1600 Single Groove 33mm 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 VW 1200-1600 Triple Groove 40mm 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 VW 1200-1600 Triple Groove 40.0mm 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 VW 1200-1600 Triple Groove 32.0mm Race Master Exhaust Valves (Set of 4)
Regular price $89.99Regular price$119.80-$29.81 Sale price $89.99 -
Sold outVendor:Manley Performance
Manley up to 2010 Dodge Viper V-10 2.020 Dia .100 Longer Race Master Intake Valves (Set of 10)
Regular price $236.99Regular price$315.02-$78.03 Sale price $236.99 -
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Vendor:Manley PerformanceManley up to 2010 Dodge Viper V-10 1.600 Dia .100 Longer Race Master Intake Valves (Set of 10)
Regular price $236.99Regular price$315.02-$78.03 Sale price $236.99
