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Manley 7 Degree 8620 Steel Valve Locks (.3133in to .3136in) Machined Bead Set
Regular price $77.99 USDRegular price$86.43 USD-$8.44 USD Sale price $77.99 USD -
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Manley Acura 1.6L B16A1 intake Valve Kit - 33.50mm Head Dia. 102.40mm O/A Length, 0.2157in Stem
Regular price $211.99 USDRegular price$264.61 USD-$52.62 USD Sale price $211.99 USD -
-$60.86 USD
Manley 94+ Integra GSR 1.8 V-Tech DOHC (B18C) H Beam Connecting Rod Set
Regular price $554.99 USDRegular price$615.85 USD-$60.86 USD Sale price $554.99 USD -
-$60.86 USD
Manley 90+ Integra LS 1.8 non V-Tech DOHC (B18A/B18B) H Beam Connecting Rod Set
Regular price $554.99 USDRegular price$615.85 USD-$60.86 USD Sale price $554.99 USD -
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Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8)
Regular price $211.99 USDRegular price$264.61 USD-$52.62 USD Sale price $211.99 USD -
-$60.86 USD
Manley Mazda Miata 1.6L/1.8L B6/BP H-Beam Connecting Rod Set
Regular price $554.99 USDRegular price$615.85 USD-$60.86 USD Sale price $554.99 USD -
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Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8)
Regular price $211.99 USDRegular price$264.61 USD-$52.62 USD Sale price $211.99 USD -
-$5.53 USD
Manley Nissan 6.0mm OEM Radius Sport Compact Valve Locks (8 pair)
Regular price $51.99 USDRegular price$57.52 USD-$5.53 USD Sale price $51.99 USD -
-$14.97 USD
Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Single Connecting Rod
Regular price $138.99 USDRegular price$153.96 USD-$14.97 USD Sale price $138.99 USD -
-$5.53 USD
Manley Honda/Acura 5.5mm OEM Radius Sport Compact Valve Locks (8pc)
Regular price $51.99 USDRegular price$57.52 USD-$5.53 USD Sale price $51.99 USD -
-$6.10 USD
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE)
Regular price $26.99 USDRegular price$33.09 USD-$6.10 USD Sale price $26.99 USD -
-$65.62 USD
Manley Chrysler Hemi 6.1L w/ Triple Groove 1.595in Race Flo Exhaust Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
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Manley Chrysler/Dodge 5.7L .6.1L Hemi Race Master Intake Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
-$0.21 USD
Manley Toyota 6.0mm OEM Radius Sport Compact Valve Lock (Single Valve Lock)
Regular price $6.99 USDRegular price$7.20 USD-$0.21 USD Sale price $6.99 USD -
-$67.07 USD
Manley 99-12 Ford 4.6L/281 5.4L/330 V8 37mm Race Series Stainless Steel Intake Valves (Set of 8)
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
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Manley Acura 1.6L B16A1 Exhaust Valve Kit - 28.50mm Head Dia. 102.70mm O/A Length, 0.2150in Stem
Regular price $211.99 USDRegular price$264.61 USD-$52.62 USD Sale price $211.99 USD -
-$65.62 USD
Manley Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
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Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE)
Regular price $26.99 USDRegular price$33.09 USD-$6.10 USD Sale price $26.99 USD -
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Manley thru 08 Chrysler Hemi 5.7L w/ Triple Groove 1.555in Race Master Exhaust Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
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Manley Chrysler Hemi 6.1L w/ Triple Groove 1.625in Race Master Exhaust Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
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Manley Ford 4.6L Modular V8 intake Valve Kit - 46.83mm Head Dia. 4.630in O/A Length, 0.2750in Stem
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$65.62 USD
Manley thru 08 Chevy Hemi 5.7L w/ Triple Groove 1.575in Race Master Exhaust Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
-$65.62 USD
Manley Stainless Race Flo Intake Valves Set for Dodge Hemi 5.7 2.02 Inch (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
-$65.62 USD
Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8)
Regular price $198.99 USDRegular price$264.61 USD-$65.62 USD Sale price $198.99 USD -
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Manley Ford 4.6L 37.5mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8)
Regular price $514.99 USDRegular price$685.44 USD-$170.45 USD Sale price $514.99 USD -
-$67.07 USD
Manley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
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Manley Ford 4.6L & 5.4L SOHC 44.5mm Race Master Intake Valves *Set of 8*
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$67.07 USD
Manley 99-12 Ford V8 4.6L/281 5.4/330 45.5mm Race Series Stainless Steel Intake Valves (Set of 8)
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$67.07 USD
Manley Ford 4.6L DOHC (4 Valve) Triple Groove 38mm Race Master Intake Valves
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
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Manley Ford 4.6L 34mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8)
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
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Manley Ford 4.6L DOHC (4 Valve) Triple Groove 31mm Race Master Exhaust Valves
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$170.45 USD
Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves *Set of 8*
Regular price $514.99 USDRegular price$685.44 USD-$170.45 USD Sale price $514.99 USD -
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Manley Ford Racing Cylinder Head 4.6L & 5.4L SOHC 36.0mm Race Master Exhaust Valves *Set of 8*
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$67.07 USD
Manley Ford 4.6L Modular V8 intake Valve Kit - 44.50mm Head Dia. 4.630in O/A Length, 0.2750in Stem
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD -
-$67.07 USD
Manley Ford 4.6L Modular V8 Exhaust Valve Kit - 34.00mm Head Dia. 4.650in O/A Length, 0.2740in Stem
Regular price $202.99 USDRegular price$270.06 USD-$67.07 USD Sale price $202.99 USD
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.