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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-$33.43
Vendor:Manley PerformanceManley Street Master 16pc Valve Springs - 1.437 OD/.720 ID
Regular price $201.99Regular price$235.42-$33.43 Sale price $201.99 -
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Vendor:Manley PerformanceManley Toyota (3UR-FE) 32pc Valve Springs
Regular price $324.99Regular price$359.62-$34.63 Sale price $324.99 -
-$25.13
Vendor:Manley PerformanceManley Ford/Mazda 2.0L/2.3L/2.0L 16pc Valve Spring Kit
Regular price $241.99Regular price$267.12-$25.13 Sale price $241.99 -
-$15.95
Vendor:Manley PerformanceManley Nissan (RB26DET) 24pc Valve Springs
Regular price $151.99Regular price$167.94-$15.95 Sale price $151.99 -
-$160.77
Vendor:Manley PerformanceManley Alcohol/Fuel Classes/ProMod NexTek Series High Performance Valve Springs
Regular price $949.99Regular price$1,110.76-$160.77 Sale price $949.99 -
-$160.77
Vendor:Manley PerformanceManley .950in Valve Lift 1.522in OD NexTek Series Lightweight Dual Drag Race Valve Springs Set of 16
Regular price $949.99Regular price$1,110.76-$160.77 Sale price $949.99 -
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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 $742.99Regular price$868.29-$125.30 Sale price $742.99 -
-$65.28
Vendor:Manley PerformanceManley 16pc NexTek Drag Race Valve Springs 1.650in O.D. Kit
Regular price $389.99Regular price$455.27-$65.28 Sale price $389.99 -
-$129.59
Vendor:Manley PerformanceManley 16pc NexTek Drag Race/Oval Track & Endurance Valve Springs
Regular price $767.99Regular price$897.58-$129.59 Sale price $767.99 -
-$157.45
Vendor:Manley PerformanceManley Pro Stock / Fuel / Alcohol NexTek Series Drag Race Valve Springs
Regular price $931.99Regular price$1,089.44-$157.45 Sale price $931.99 -
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Vendor:Manley PerformanceManley Drag Race NexTek Series 1.677in Dia .900in lift High Performance Valve Springs (Set of 16)
Regular price $615.99Regular price$719.42-$103.43 Sale price $615.99 -
-$103.43
Vendor:Manley PerformanceManley Drag Race NexTek Series 1.677in Dia .800in lift High Performance Valve Springs (Set of 16)
Regular price $615.99Regular price$719.42-$103.43 Sale price $615.99 -
-$84.83
Vendor:Manley PerformanceManley NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance Valve Springs
Regular price $502.99Regular price$587.82-$84.83 Sale price $502.99 -
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Vendor:Manley PerformanceManley Oval Track NexTek Series 1.56in Dia .750in lift High Performance Valve Springs (Set of 16)
Regular price $568.99Regular price$664.74-$95.75 Sale price $568.99 -
-$97.99
Vendor:Manley PerformanceManley Circle Track Roller Polished NexTek Series Valve Springs
Regular price $578.99Regular price$676.98-$97.99 Sale price $578.99 -
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Vendor:Manley PerformanceManley NexTek Series 1.570 OD .760 ID 1.190in Coil Bind H Valve Springs - Set of 16
Regular price $543.99Regular price$635.10-$91.11 Sale price $543.99 -
-$71.88
Vendor:Manley PerformanceManley Chrysler Hemi 6.4L NexTek Series High Performance Valve Springs .650 Max Lift
Regular price $423.99Regular price$495.87-$71.88 Sale price $423.99 -
-$4.01
Vendor:Manley PerformanceManley Chrysler Hemi 6.4L NexTek Series High Performance Valve Springs .650 Max Lift - Single
Regular price $26.99Regular price$31.00-$4.01 Sale price $26.99 -
-$58.79
Vendor:Manley PerformanceManley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)
Regular price $346.99Regular price$405.78-$58.79 Sale price $346.99 -
-$2.24Vendor:Manley Performance
Manley Chevy SBC LS-Series NexTek Series High Performance Valve Spring - Single
Regular price $17.99Regular price$20.23-$2.24 Sale price $17.99 -
-$68.99
Vendor:Manley PerformanceManley Small Block Chevy LS Series .700in Lift Single NexTek High Perf Valve Springs
Regular price $412.99Regular price$481.98-$68.99 Sale price $412.99 -
-$58.79Vendor:Manley Performance
Manley Springs Single Hemi Drag Pak
Regular price $346.99Regular price$405.78-$58.79 Sale price $346.99 -
-$71.88
Vendor:Manley PerformanceManley Springs Single Hemi
Regular price $423.99Regular price$495.87-$71.88 Sale price $423.99 -
-$65.28
Vendor:Manley PerformanceManley NexTek Series 1.640 OD .8602 ID .900 Lift Sportsman and Bracket Classes Valve Springs
Regular price $389.99Regular price$455.27-$65.28 Sale price $389.99 -
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Vendor:Manley PerformanceManley NexTek Series Double w/o Damper 16pc Valve Springs 1.640 OD/.860 ID
Regular price $354.99Regular price$414.32-$59.33 Sale price $354.99 -
-$103.22
Vendor:Manley PerformanceManley Small Block Chevy LS Series 1.335 Double NexTek High Perf Valve Springs
Regular price $613.99Regular price$717.21-$103.22 Sale price $613.99 -
-$125.30
Vendor:Manley PerformanceManley NexTek Series 1.500 OD .850 Lift Super Stock and Competition Eliminator Valve Spring Set
Regular price $742.99Regular price$868.29-$125.30 Sale price $742.99 -
-$91.11Vendor:Manley Performance
Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder)
Regular price $543.99Regular price$635.10-$91.11 Sale price $543.99 -
-$116.72Vendor:Manley Performance
Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder)
Regular price $692.99Regular price$809.71-$116.72 Sale price $692.99 -
-$3.31Vendor:Manley Performance
Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Spring - SINGLE
Regular price $21.99Regular price$25.30-$3.31 Sale price $21.99 -
-$162.06
Vendor:Manley PerformanceManley Chevrolet LT1 4.000in Stroke Lightweight Long Snout Pro Series Crankshaft
Regular price $1,131.99Regular price$1,294.05-$162.06 Sale price $1,131.99 -
-$162.06
Vendor:Manley PerformanceManley Chevrolet LT1 Directed Injected 4340 Forged 4.00in Stroke Pro Series Crankshaft
Regular price $1,131.99Regular price$1,294.05-$162.06 Sale price $1,131.99 -
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Vendor:Manley PerformanceManley Chevrolet LT1 Directed Injected 4340 Forged 3.622in Stroke Pro Series Crankshaft
Regular price $1,131.99Regular price$1,294.05-$162.06 Sale price $1,131.99 -
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Vendor:Manley PerformanceManley Chevrolet LS Lightweight 4340 Forged 3.2622in Stroke Pro Series Crankshaft w/58T Reluctor
Regular price $1,131.99Regular price$1,294.05-$162.06 Sale price $1,131.99 -
-$162.06
Vendor:Manley PerformanceManley Chevrolet LS-7 Small Block Long Snout 1800gm 4.100in Stroke Crank w/ 58 Tooth Reluctor Wheel
Regular price $1,131.99Regular price$1,294.05-$162.06 Sale price $1,131.99