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.

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 130/318 lbs, 0.600" max lift,

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 130/318 lbs, 0.600" max lift

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 105/293 lbs, 0.600" max lift, approx

The Ferrea Seat Locator for the 1FZFE engine is designed for single spring applications and comes as a set of 24, ensuring proper alignment and secure fitment for optimal valve performance.

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 Comp Cams Conical Valve Springs offer a rate of 145 lbs at 1.900" and 495 lbs at 1.225", designed for high-performance engine applications.

The Comp Cams 7° Lightweight Tool Steel Retainers are designed for 1.320" spring diameter, offering enhanced strength and performance in high-performance engines.

The Comp Cams 7° Lightweight Tool Steel Retainers are designed for 1.290" spring diameter, offering strength and performance for high-performance engine applications.

The Comp Cams 0.559" Max Lift LS6+ Beehive Valve Spring Kit with Tool Steel Retainers is designed for GM LS engines, offering durability and high-performance lift capability.

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.