The Ferrea Single Valve Spring TB48 (Set of 24) delivers high-performance valve control for Nissan TB48 engines, ideal for high-RPM applications.

Ferrea Single Valve Spring Kit for Toyota 2JZ-GTE, set of 24, PAC alloy, designed for high-performance applications up to 1,200 whp, requires separate titanium retainers.

Ferrea Single Valve Spring for Toyota 1GR-FE, set of 24, PAC alloy, optimized for high RPM stability and performance

The Ferrea Single Valve Spring for the 1FZFE engine is available as a set of 24, engineered for reliable performance and enhanced engine efficiency.

The Ferrea Dual Valve Spring TB48 (Set of 24) delivers superior valvetrain control and durability for high-performance Nissan TB48 engines.

Ferrea S99101 Dual Valve Spring Set for LS1/LS7, set of 16, Pro PAC alloy

Ferrea S99101 Dual Valve Spring Set for LS1, set of 16, Pro PAC alloy, 0.925" OD

Ferrea S99102 Dual Valve Spring Set for L92, set of 16, Pro PAC alloy

Ferrea Dual Valve Spring Kit for Toyota 2JZ-GTE High Boost Turbo, includes dual springs, titanium retainers, seat locators, and valve locks, designed for high-performance applications.

Ferrea Dual Valve Spring Kit for Toyota 2JZ-GTE Turbo, includes dual springs, titanium retainers, seat locators, and valve locks, designed for high-performance boost applications.

Ferrea Dual Valve Spring for Toyota 1GR-FE, set of 24, PAC alloy, optimized for high RPM stability and performance

The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads.

The Cam Motion Gen 5 LT4 660" Dual Valve Spring Kit includes premium polished dual valve springs, titanium retainers, and supports up to .660" lift for high-performance applications.

BC Valve Spring 2JZ is a performance valve spring designed for the Toyota 2JZ engine, providing increased stability at higher RPMs and preventing valve float.

The BC Dual Valve Spring Kit for the 2JZ engine provides enhanced valve control for high-performance applications, supporting higher RPMs and aggressive cam profiles.