Precision Engine Components
Enhance your vehicle's heart with our JDM Engine Components from HD Werks. These original aftermarket parts are crafted in Japan for optimal performance and precision engineering. Perfect for racing and daily power needs, our components integrate DOHC technology and the reliability of Honda and Toyota innovation. Each piece is designed to boost efficiency and performance. Shop our collection for superior engine components that deliver original quality and performance, ensuring your vehicle runs at its highest potential.
Skip to product grid
-
Sold out
Vendor:FerreaFerrea 04-10 Honda CRF 250R 18.10mm OD 11.50mm ID Single Valve Springs - Set of 2
Regular price $51.99Regular price$57.16-$5.17 Sale price $51.99 -
Sold out
Vendor:FerreaFerrea 04-10 Honda CRF 250R 18.50mm OD 13.0mm ID Single Valve Springs - Set of 2
Regular price $43.99Regular price$48.40-$4.41 Sale price $43.99 -
Sold out
Vendor:FerreaFerrea 01-08 Kawasaki KLX 250 20.32mm OD 14.23mm ID Single Valve Springs - Set of 4
Regular price $102.99Regular price$114.32-$11.33 Sale price $102.99 -
Sold out
Vendor:FerreaFerrea 03-09 Yamaha YZF450 5V 13.3mm ID 38lbs at 29.5mm Seat Press Single Valve Springs - Set of 5
Regular price $102.99Regular price$113.40-$10.41 Sale price $102.99 -
Sold out
Vendor:FerreaFerrea 04-05 Honda TRX 450 15.10mm ID 75lbs at 37mm Seat Pressure Single Valve Springs - Set of 4
Regular price $87.99Regular price$96.80-$8.81 Sale price $87.99 -
Sold outVendor:Ferrea
Ferrea 06-09 Yamaha 700R Grizzly 13.84mm/18.82mm ID Dual Valve Springs - Set of 2
Regular price $60.99Regular price$67.40-$6.41 Sale price $60.99 -
Sold out
Vendor:FerreaFerrea 04-10 Honda CRF 250R 18.50mm OD 13.0mm ID Single Valve Springs - Set of 2
Regular price $43.99Regular price$48.40-$4.41 Sale price $43.99 -
Sold out
Vendor:FerreaFerrea 04-07 Honda CRF250R 18.10mm OD 11.50mm ID Single Valve Springs - Set of 2
Regular price $51.99Regular price$57.16-$5.17 Sale price $51.99 -
Sold outVendor:Ferrea
Ferrea 84-98 Harley-Davidson Evolution 0.819/1.103in OD 0.625/0.819in ID Dual Valve Springs-Set of 4
Regular price $140.99Regular price$156.36-$15.37 Sale price $140.99 -
Sold out
Vendor:FerreaFerrea 04-10 Honda CRF 250R 21.50mm OD 15.10mm ID Single Valve Springs - Set of 2
Regular price $43.99Regular price$48.40-$4.41 Sale price $43.99 -
Sold out
Vendor:FerreaFerrea 02-03 Buell XB9 1.49in OD 1.076 ID Single Valve Springs - Set of 4
Regular price $89.99Regular price$99.60-$9.61 Sale price $89.99 -
Sold outVendor:Ferrea
Ferrea 84-98 Harley-Davidson Evolution 1.005/1.440in OD .725/1.065in ID Dual Valve Springs-Set of 4
Regular price $72.99Regular price$80.16-$7.17 Sale price $72.99 -
Sold out
Vendor:FerreaFerrea Chevrolet Small Block 0.89in ID 1.27 OD Single Valve Springs - Set of 16
Regular price $547.99Regular price$608.16-$60.17 Sale price $547.99 -
Sold outVendor:Ferrea
Ferrea 84-98 Harley-Davidson Evolution 1.025/1.550in OD 0.740/1.135in ID Dual Valve Springs-Set of 4
Regular price $119.99Regular price$133.16-$13.17 Sale price $119.99 -
Sold outVendor:Ferrea
Ferrea 84-98 Harley-Davidson Evolution 1.005/1.530 OD .730/1.110in ID Dual Valve Springs - Set of 4
Regular price $72.99Regular price$80.16-$7.17 Sale price $72.99 -
Sold out
Vendor:FerreaFerrea Chevrolet Small Block 0.886in ID 1.26 OD Single Valve Springs - Set of 16
Regular price $220.99Regular price$244.64-$23.65 Sale price $220.99 -
Sold outVendor:Ferrea
Ferrea Toyota GR Corolla G16E-GTS Lifter Shim - Set of 12
Regular price $28.99Regular price$31.32-$2.33 Sale price $28.99 -
Sold outVendor:Ferrea
Ferrea 17-18 Audi 2.5L TFSI DOHC 20 Valve Lifter Shim - Set of 20
Regular price $45.99Regular price$50.20-$4.21 Sale price $45.99 -
Sold out
Vendor:FerreaFerrea 2014 Polaris RZR XP 1000 Valve Spring Kit
Regular price $342.99Regular price$380.40-$37.41 Sale price $342.99 -
-$45.45
Vendor:FerreaFerrea Harley-Davidson Milwaukee 8 Valve Spring Kit
Regular price $417.99Regular price$463.44-$45.45 Sale price $417.99 -
Sold out
Vendor:FerreaFerrea 03-09 Yamaha YZF450 Single Valve Spring Kit
Regular price $256.99Regular price$284.80-$27.81 Sale price $256.99 -
-$115.13
Vendor:FerreaFerrea 99-00 Suzuki GSX 1300R Hayabusa Dual Valve Spring Kit
Regular price $1,041.99Regular price$1,157.12-$115.13 Sale price $1,041.99 -
Sold out
Vendor:FerreaFerrea 00-09 Suzuki DRZ/LTZ 400 Single Valve Spring Kit
Regular price $277.99Regular price$308.40-$30.41 Sale price $277.99 -
Sold out
Vendor:FerreaFerrea 2014 Polaris RZR XP 1000 Valve Spring Kit
Regular price $346.99Regular price$385.12-$38.13 Sale price $346.99 -
Sold out
Vendor:FerreaFerrea 11-12 Polaris RZR XP900 Valve Spring Kit
Regular price $488.99Regular price$543.04-$54.05 Sale price $488.99 -
Sold out
Vendor:FerreaFerrea 01-08 Kawasaki KLX 400/KFX 400 Valve Spring Kit
Regular price $277.99Regular price$308.40-$30.41 Sale price $277.99 -
Sold out
Vendor:FerreaFerrea 04-05 Honda TRX 450 Single Valve Spring Kit
Regular price $210.99Regular price$233.74-$22.75 Sale price $210.99 -
Sold out
Vendor:FerreaFerrea 09-12 Honda CRF 450 Single Valve Spring Kit
Regular price $212.99Regular price$235.56-$22.57 Sale price $212.99 -
Sold out
Vendor:FerreaFerrea 02-08 Honda CRF 450 Single Valve Spring Kit
Regular price $212.99Regular price$235.56-$22.57 Sale price $212.99 -
Sold out
Vendor:FerreaFerrea 2010 Honda CRF 250R Single Valve Spring Kit
Regular price $237.99Regular price$263.56-$25.57 Sale price $237.99 -
Sold out
Vendor:FerreaFerrea 08-09 Honda CRF 250R Single Valve Spring Kit
Regular price $237.99Regular price$263.56-$25.57 Sale price $237.99 -
Sold out
Vendor:FerreaFerrea 04-07 Honda CRF 250R Single Valve Spring Kit
Regular price $237.99Regular price$263.56-$25.57 Sale price $237.99 -
-$52.73
Vendor:FerreaFerrea 02-03 Harley-Davidson VRSCA V Rod Dual Valve Spring Kit
Regular price $475.99Regular price$528.72-$52.73 Sale price $475.99 -
Sold out
Vendor:FerreaFerrea 04-08 Arctic Cat DVX 400 Single Valve Spring Kit
Regular price $277.99Regular price$308.40-$30.41 Sale price $277.99 -
-$188.33
Vendor:FerreaFerrea 18-19 Ford Coyote 5.0L Beehive Valve Spring Kit
Regular price $1,699.99Regular price$1,888.32-$188.33 Sale price $1,699.99
