Collection: Valvetrain Components

Ferrea Acura/Honda B18/B16 Drag Race Dual Spring Kit

Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit

Ferrea Subaru WRX STI Endurance Dual Spring Kit

Ferrea Nissan GT-R VR38DETT Dual Spring Kit

Ferrea Mitsubishi Evo X 4B11T Dual Spring Kit

Ferrea Honda S2000 Dual Spring Kit

Ferrea Acura K20 Drag Racing Dual Spring Kit

Ferrea Acura K20 Endurance Dual Spring Kit

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

Ferrea Acura/Honda B18/B16 Endurance Dual Spring Kit

Ferrea Acura/Honda K20 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 16

BLOX Racing Lost Motion Assemblies Honda B/H Series Engines

BLOX Racing Ti Retainers for B18A-B B20 (1.8L DOHC)

BLOX Racing Valve Springs for B18A-B / B20 (1.8L-2.0L DOHC)

S&S Cycle 2017+ M8 Models Valve Spring Kit - .605in

S&S Cycle 05-17 BT Street Performance .585in Valve Spring Kit

S&S Cycle 84-04 BT Street Performance .585in Valve Spring Kit

S&S Cycle .625in x .880in x .050in Shim - 10 Pack

S&S Cycle .625in x .880in x .025in Shim - 10 Pack

Manley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers)

Manley Chrysler Hemi 6.4L NexTek Series High Performance Valve Springs .650 Max Lift

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Solid Lifters) Dual Valve Spring Kit

Supertech Honda Integra LS B18A/B Dual Valve Spring Kit

Supertech Toyota 2JZ Dual Valve Spring Kit

Supertech Toyota 2JZ Dual Valve Spring Kit

Supertech Nissan 300ZX VG30D Dual Valve Spring Kit