-
-$51.94 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$136.44 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 33mm Stainless Extreme Duty Valves
Regular price $548.99 USDRegular price$685.43 USD-$136.44 USD Sale price $548.99 USD -
-$51.94 USD
Manley 01+ Acura RSX Type S 2.0L DOHC i-VTEC 16 Valve (K20A2) 30.0mm Race Master Exhaust Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$6.00 USD
Manley 94-98 Toyota Supra 3.0L 30mm Head Dia 99.1mm Stock Length Race Master Exhaust Valve (Single)
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$6.00 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 36mm Stainless Race Flo Valve (1 valve)
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$16.69 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 33mm Stainless Extreme Duty Valve (1 valve)
Regular price $68.99 USDRegular price$85.68 USD-$16.69 USD Sale price $68.99 USD -
-$51.94 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 36mm Stainless Race Flo Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley 91-98 Nissan Sentra SE-R 2.0L DOHC 16V 31.15mm Head Dia Race Master Exhaust Valves (Set of 8)
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$16.69 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valve
Regular price $68.99 USDRegular price$85.68 USD-$16.69 USD Sale price $68.99 USD -
-$51.94 USD
Manley 01+ Acura RSX Type S 2.0L DOHC i-VTEC 16 Valve (K20A2) 36mm Intake Stainless Race Flo Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$51.94 USD
Manley Acura 2.0L K20A2 intake Valve Kit - 35.50mm Head Dia. 109.22mm O/A Length, 0.2157in Stem
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$51.94 USD
Manley 01+ Acura RSX Type S 2.0L DOHC i-VTEC 16 Valve (K20A2) 35.0mm Race Master Intake Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley 91-98 Nissan Sentra SE-R 2.0L DOHC 16V 35.15mm Head Dia Race Flo Intake Valve (Set of 8)
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$136.44 USD
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valves
Regular price $548.99 USDRegular price$685.43 USD-$136.44 USD Sale price $548.99 USD -
-$51.94 USD
Manley Nissan 2.0L SR20DE Exhaust Valve Kit - 30.15mm Head Dia. 102.40mm O/A Length, 0.2362in Stem
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley 90-96 Nissan 300ZX 3.0L (VG30D - VG30DTT) DOHC 24 Intake 35mm Stainless Race Flo Valves
Regular price $316.99 USDRegular price$395.90 USD-$78.91 USD Sale price $316.99 USD -
-$6.00 USD
Manley 01+ Acura RSX Type S 2.0L DOHC i-VTEC (K20A2) 36mm Intake Stainless Race Flo Valve - SINGLE
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$51.94 USD
Manley Acura 2.0L K20A2 Exhaust Valve Kit - 30.50mm Head Dia. 109.04mm O/A Length, 0.2150in Stem
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley 90-96 Nissan 300ZX 3.0L (VG30D - VG30DTT) DOHC 24 Exhaust 29.5mm Stainless Race Master Valves
Regular price $316.99 USDRegular price$395.90 USD-$78.91 USD Sale price $316.99 USD -
-$6.00 USD
Manley 01+ Acura RSX Type S (K20A2) 30.0mm Race Master Exhaust Valves - Single
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$51.94 USD
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 34mm Stainless Race Master Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$51.94 USD
Manley Acura 2.0L K20A2 Exhaust Valve Kit - 31.00mm Head Dia. 109.04mm O/A Length, 0.2150in Stem
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$51.94 USD
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Exhaust 29mm Stainless Race Master Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$78.91 USD
Manley 90-96 Nissan 300ZX 3.0L (VG30D - VG30DTT) DOHC 24 Intake 34mm Stainless Race Flo Valves
Regular price $316.99 USDRegular price$395.90 USD-$78.91 USD Sale price $316.99 USD -
-$6.00 USD
Manley 94-98 Toyota Supra (2JZGE-2JZGTE) DOHC 24 Intake 34.6mm Stainless Race Master - Single
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$6.00 USD
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 33mm Stainless Race Master Valve - Single
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$51.94 USD
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 33mm Stainless Race Master Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
-$51.94 USD
Manley 91-98 Nissan Sentra SE-R 2.0L SR20DE/DET 34.15mm Stainless Race Flo Intake Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Exhaust 28mm Stainless Race Master - Single Valve
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$6.00 USD
Manley 90-96 Nissan 300ZX 3.0L (VG30D-VG30DTT) 29.5mm Stainless Race Master Exhaust Valve - Single
Regular price $26.99 USDRegular price$32.99 USD-$6.00 USD Sale price $26.99 USD -
-$78.91 USD
Manley 90-96 Nissan 300ZX 3.0L (VG30D - VG30DTT) DOHC 24 Exhaust 30.5mm Stainless Race Master Valves
Regular price $316.99 USDRegular price$395.90 USD-$78.91 USD Sale price $316.99 USD -
-$51.94 USD
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Exhaust 28mm Stainless Race Master Valves
Regular price $211.99 USDRegular price$263.93 USD-$51.94 USD Sale price $211.99 USD -
Sold out
Manley Chevrolet Big Block 4340 Forged 4.875in Stroke Pro Series Lightweight Crankshaft
Regular price $1,183.99 USDRegular price$1,286.77 USD-$102.78 USD Sale price $1,183.99 USD -
Manley 99-12 Ford 4.6L/281 5.4L/330 V8 37mm Race Series Stainless Steel Intake Valve - Single
Regular price $33.99 USDRegular priceSale price $33.99 USD -
-$22.96 USD
Manley Chrysler 6.4L Hemi 4.090in Bore 1.120in CH -20.50cc Platinum Series Piston - Single
Regular price $135.99 USDRegular price$158.95 USD-$22.96 USD Sale price $135.99 USD
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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.