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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-$51.25Vendor:Manley Performance
Manley 10 Degree STD 16pc Titanium Retainers 1.500in OD
Regular price $294.99Regular price$346.24-$51.25 Sale price $294.99 -
-$77.60Vendor:Manley Performance
Manley 10 Degree STD 16pc Titanium Retainers 1.500in OD +.170
Regular price $442.99Regular price$520.59-$77.60 Sale price $442.99 -
-$2.42Vendor:Manley Performance
Manley 7 Degree +.060 Titanium Retainers - Single
Regular price $17.99Regular price$20.41-$2.42 Sale price $17.99 -
-$51.25Vendor:Manley Performance
Manley 10 Degree Titanium Retainers 1.550in Spring OD - 16pc
Regular price $294.99Regular price$346.24-$51.25 Sale price $294.99 -
Vendor:Manley Performance
Manley 7 Degree +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers
Regular price $77.99Regular priceSale price $77.99 -
Vendor:Manley PerformanceManley 7 Degree 1.250in Spring OD 16pc Steel Valve Spring Retainers for Manley 22409 / 22410 / 22411
Regular price $77.99Regular priceSale price $77.99 -
Vendor:Manley PerformanceManley 7 Degree 1.437in / 1.550in Spring OD 16pc Steel Valve Spring Retainers
Regular price $77.99Regular priceSale price $77.99 -
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Vendor:Manley PerformanceManley 10 Degree +.060in 16pc Steel Valve Spring Retainers
Regular price $77.99Regular priceSale price $77.99 -
-$48.47Vendor:Manley Performance
Manley 16pc 10 Deg Titanium Retainers for .615in/.900in ID Springs
Regular price $277.99Regular price$326.46-$48.47 Sale price $277.99 -
Vendor:Manley Performance
Manley 7 Degrees 1.290in Height Single Titanium Valve Spring Retainer
Regular price $20.99Regular priceSale price $20.99 -
-$48.47Vendor:Manley Performance
Manley 7 Degree 16pc Titanium Retainers for Manley 13093
Regular price $277.99Regular price$326.46-$48.47 Sale price $277.99 -
Vendor:Manley Performance
Manley 16pc Steel Retainers for Manley 221431
Regular price $77.99Regular price$74.89Sale price $77.99 -
Vendor:Manley Performance
Manley 7 Degree +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers
Regular price $77.99Regular priceSale price $77.99 -
Vendor:Manley Performance
Manley 7 Degree +.070in Height 32pc Steel H-13 Tool Steel Spring Retainers for Manley 221419
Regular price $537.99Regular priceSale price $537.99 -
-$97.93Vendor:Manley Performance
Manley 7 Degree STD 32pc Titanium Retainers for Manley 221419
Regular price $554.99Regular price$652.92-$97.93 Sale price $554.99 -
Vendor:Manley Performance
Manley 32pc 7 Degree Stock Height Steel Retainer for Manley 221418
Regular price $154.99Regular priceSale price $154.99 -
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Vendor:Manley PerformanceManley Nissan (RB26DET) 24pc Titanium Retainers
Regular price $377.99Regular price$397.32-$19.33 Sale price $377.99 -
-$24.93
Vendor:Manley PerformanceManley Oval Track Chrome Silicone Double w/ Damper 16pc Valve Springs 1.550 OD
Regular price $231.99Regular price$256.92-$24.93 Sale price $231.99 -
-$23.52
Vendor:Manley PerformanceManley Oval/Drag Chrome Silicone Double w/ Damper 16pc Valve Springs 1.550 OD/.725 ID
Regular price $215.99Regular price$239.51-$23.52 Sale price $215.99 -
-$9.90Vendor:Manley Performance
Manley Oval Track Chrome Silicone Outer w/ Damper 16pc Valve Springs 1.250 OD
Regular price $92.99Regular price$102.89-$9.90 Sale price $92.99 -
-$23.43
Vendor:Manley PerformanceManley Street Master 16pc Valve Springs - 1.437 OD/.720 ID
Regular price $211.99Regular price$235.42-$23.43 Sale price $211.99 -
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Vendor:Manley PerformanceManley Toyota (3UR-FE) 32pc Valve Springs
Regular price $341.99Regular price$359.62-$17.63 Sale price $341.99 -
-$13.13
Vendor:Manley PerformanceManley Ford/Mazda 2.0L/2.3L/2.0L 16pc Valve Spring Kit
Regular price $253.99Regular price$267.12-$13.13 Sale price $253.99 -
-$7.95
Vendor:Manley PerformanceManley Nissan (RB26DET) 24pc Valve Springs
Regular price $159.99Regular price$167.94-$7.95 Sale price $159.99 -
-$110.77
Vendor:Manley PerformanceManley Alcohol/Fuel Classes/ProMod NexTek Series High Performance Valve Springs
Regular price $999.99Regular price$1,110.76-$110.77 Sale price $999.99 -
-$110.77
Vendor:Manley PerformanceManley .950in Valve Lift 1.522in OD NexTek Series Lightweight Dual Drag Race Valve Springs Set of 16
Regular price $999.99Regular price$1,110.76-$110.77 Sale price $999.99 -
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Vendor:Manley PerformanceManley NexTek Drag Race Valve Springs for SuperStock and Competition Eliminator 1.500in OD Set of 16
Regular price $781.99Regular price$868.29-$86.30 Sale price $781.99 -
-$45.28
Vendor:Manley PerformanceManley 16pc NexTek Drag Race Valve Springs 1.650in O.D. Kit
Regular price $409.99Regular price$455.27-$45.28 Sale price $409.99 -
-$89.59
Vendor:Manley PerformanceManley 16pc NexTek Drag Race/Oval Track & Endurance Valve Springs
Regular price $807.99Regular price$897.58-$89.59 Sale price $807.99 -
-$108.45
Vendor:Manley PerformanceManley Pro Stock / Fuel / Alcohol NexTek Series Drag Race Valve Springs
Regular price $980.99Regular price$1,089.44-$108.45 Sale price $980.99 -
-$71.43
Vendor:Manley PerformanceManley Drag Race NexTek Series 1.677in Dia .900in lift High Performance Valve Springs (Set of 16)
Regular price $647.99Regular price$719.42-$71.43 Sale price $647.99 -
-$71.43
Vendor:Manley PerformanceManley Drag Race NexTek Series 1.677in Dia .800in lift High Performance Valve Springs (Set of 16)
Regular price $647.99Regular price$719.42-$71.43 Sale price $647.99 -
-$57.83
Vendor:Manley PerformanceManley NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance Valve Springs
Regular price $529.99Regular price$587.82-$57.83 Sale price $529.99 -
-$65.75
Vendor:Manley PerformanceManley Oval Track NexTek Series 1.56in Dia .750in lift High Performance Valve Springs (Set of 16)
Regular price $598.99Regular price$664.74-$65.75 Sale price $598.99 -
-$66.99
Vendor:Manley PerformanceManley Circle Track Roller Polished NexTek Series Valve Springs
Regular price $609.99Regular price$676.98-$66.99 Sale price $609.99