Engine Components

FREE STANDARD SHIPPING $99+ · FREE EVERYTHING $199+FITMENT GUARANTEED30-DAY HASSLE-FREE RETURNSCALL US: 1-877-QSP-PARTFREE STANDARD SHIPPING $99+ · FREE EVERYTHING $199+FITMENT GUARANTEED30-DAY HASSLE-FREE RETURNSCALL US: 1-877-QSP-PART

Free shipping over $199Order by 2PM for same-day ship

Account My Builds Support

QUICKSHIFTPARTS

Build Your Ride

All Engine Components

Ferrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv +1mm 6000 Series Intake Valve- Set of 8

Ferrea Subaru EJ20 32mm 5.96mm 104.75mm 25 Deg Flo Radius Grv Stk 6000 Series Exhaust Valve-Set of 8

Ferrea Subaru EJ20 36mm 5.97mm 19 Deg S-Flo Radius Groove Stock 6000 Series Intake Valve - Set of 8

Ferrea Toyota 2JZGE/2JZGTE 33.60mm 5.98mm 98.55mm 20 Deg S-Flo Stk 6000 Series Int Valve - Set of 12

Ferrea Chevy SB 2.08in 11/32in 4.96in 0.25in 12 Deg S-Flo +.050 6000 Series Intake Valve - Set of 8

Ferrea Ford 4.6L/5.4L 24V 1.476in 4.583in 25 Deg Flo 3 Rad Grv 6000 Series Exhaust Valve - Set of 8

Ferrea Ford 4.6L/5.4L 24V 1.378in 4.618in 12 Deg Flo 3 Rad Grv 6000 Series Intake Valve - Set of 16

Ferrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv 6000 Series Int Valve-Set of 8

Ferrea Chevy SB 1.94in 11/32in 4.91in 0.25in 10 Deg S-Flo Stk 6000 Series Intake Valve - Set of 8

Ferrea Chevy SB 1.6in 11/32in 4.91in 0.25in 12 Deg Flo Stk 6000 Series Exhaust Valve - Set of 8

Ferrea Honda F20C 31mm 5.46mm 109mm 24 Deg Flo Stock 6000 Series Exhaust Valve - Set of 8

Ferrea Acura/Honda B18/B16 High Pressure Dual Spring Kit

Ferrea Acura K20 Drag Racing Dual Spring Kit

Ferrea Honda S2000 Dual Spring Kit

Ferrea Mitsubishi Evo X 4B11T Dual Spring Kit

Ferrea Nissan GT-R VR38DETT Dual Spring Kit

Ferrea Subaru WRX STI Endurance Dual Spring Kit

Ferrea 09-13 VW 2.0T TSI / 15-16 VW Golf R 2.0T TSI Single Spring Kit

Ferrea BMW N54 Single Spring Kit

Ferrea Honda Type-R K20C1-Turbo Single Spring Kit

Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit

Ferrea Toyota Supra 3.0L B58 Turbo Spring Kit

Ferrea Audi 2.0T FSI DOHC 16 Valve Lifter Shim - Set of 16

Ferrea Ford Zetec ZX2 Single Valve Spring - Single (Drop Ship Only)

Ferrea Infiniti VR30DDTT Single Valve Spring - Set of 24