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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-$7.77
Vendor:Manley PerformanceManley Ford 5.0L DOHC (4 Valve) 31.5mm Head Diameter Triple Groove Master Exhaust Valves - Single
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
Vendor:Manley Performance
Manley Ford 5.0L R/M 37.5mm Race Master Exhaust Valves (Set of 8)
Regular price $270.99Regular price -
-$7.77
Vendor:Manley PerformanceManley Ford 5.0L 37.5mm Race Master Exhaust Valve
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
-$67.07
Vendor:Manley PerformanceManley Ford Coyote 5.0L Gen. 1/2 31mm Diameter 4.274in. Length Race Master Exhaust Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$67.07
Vendor:Manley PerformanceManley Ford Coyote 5.0L DOHC 4 Valve 31mm Triple Groove Race Master Exhaust Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$67.07
Vendor:Manley PerformanceManley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves w/ BLKG (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$67.07
Vendor:Manley PerformanceManley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$7.77Vendor:Manley Performance
Manley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves - Single
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
-$7.77
Vendor:Manley PerformanceManley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
-$7.77Vendor:Manley Performance
Manley Chevrolet Small Block 2.165in Head .3133in Stem Severe Duty Pro Flo Intake Valve - Single
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
Sold outVendor:Manley Performance
Manley VALVE-FD 4V R/M 38mm Bead Lock
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$7.77Vendor:Manley Performance
Manley VALVE-FD 4V R/M 38mm Bead Valve Lock (Single)
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
-$67.07
Vendor:Manley PerformanceManley Ford 4.6L 31mm Diameter 4.587in O/A Length Bead Lock Race Master Exhaust Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
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Vendor:Manley PerformanceManley Ford 4.6L/5.4L DOHC 4V 37mm Dia 5.339in Length Bead Loc Race Master Intake Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$7.77
Vendor:Manley PerformanceManley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves - Single
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
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Vendor:Manley PerformanceManley Ford 4.6L/5.4L DOHC 4V 30mm Dia 4.587in Length Bead Loc Race Master Exhaust Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$7.77
Vendor:Manley PerformanceManley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valve *Single Valve*
Regular price $25.99Regular price$33.76-$7.77 Sale price $25.99 -
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Vendor:Manley PerformanceManley Ford 6.2L Race Master Intake Valves 43mm HD B (Set of 8)
Regular price $192.99Regular price$257.20-$64.21 Sale price $192.99 -
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Vendor:Manley PerformanceManley Ford 6.2L Race Master Intake Valves 54.5mm B/L (Set of 8)
Regular price $192.99Regular price$257.20-$64.21 Sale price $192.99 -
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Vendor:Manley PerformanceManley Ford 6.2L 42mm Diameter 5.356in O/A Length Bead Lock Race Master Exhaust Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
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Vendor:Manley PerformanceManley Ford 6.2L 42mm Diameter 5.356in O/A Length Race Master Exhaust Valves (Set of 8)
Regular price $192.99Regular price$257.20-$64.21 Sale price $192.99 -
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Vendor:Manley PerformanceManley Ford 6.2L 53.5mm Dia Race Master Intake Valves (Set of 8)
Regular price $202.99Regular price$270.06-$67.07 Sale price $202.99 -
-$99.43
Vendor:Manley PerformanceManley SBC 2.02 Severe Duty Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
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Vendor:Manley PerformanceManley SBC 1.6 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 Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
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Vendor:Manley PerformanceManley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8)
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99 -
-$170.45
Vendor:Manley PerformanceManley Big Block Chevrolet 1.880 Diameter Stock Length Extreme Duty Exhaust Valves - Set of 8
Regular price $514.99Regular price$685.44-$170.45 Sale price $514.99 -
-$62.59
Vendor:Manley PerformanceManley Ford 289/302/351W 1.550 Race Flo Exhaust Valves
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$62.59
Vendor:Manley PerformanceManley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8)
Regular price $188.99Regular price$251.58-$62.59 Sale price $188.99 -
-$99.43
Vendor:Manley PerformanceManley Big Block Chevrolet 1.880 Head Dia. 5.354 O/A Length Severe Duty Exhaust Valves - Set of 8
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$99.43
Vendor:Manley PerformanceManley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
-$103.31
Vendor:Manley PerformanceManley SBC 2.020 Severe Duty Intake Valves (Set of 8)
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99 -
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Vendor:Manley PerformanceManley SBC 1.600 Severe Duty Exhaust Valves (Set of 8)
Regular price $301.99Regular price$401.42-$99.43 Sale price $301.99 -
Sold outVendor:Manley Performance
Manley S/D 1.840/+.100 Severe Duty Exhaust Valves (Set of 8)
Regular price $415.99Regular price -
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Vendor:Manley PerformanceManley Chevrolet Big Block Severe Duty/Pro Flo 5.325in O/A Length Intake Valves (Set of 8)
Regular price $311.99Regular price$415.30-$103.31 Sale price $311.99
