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.

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 TB48 (Set of 24) ensures precise spring alignment and stability for high-performance Nissan TB48 engine builds.

Ferrea SL1080 Seat Locator for LS1/LT1, set of 16, CNC-machined chromoly, approx

Ferrea SL1080 Seat Locator for LS1/LT1, set of 16, CNC-machined chromoly

Ferrea SL1036 Seat Locator Set for LS1, set of 16, CNC-machined chromoly

Ferrea SL1072 Seat Locator Set for L92 (16 pcs), chromoly construction, fits 0.505" ID springs — approx. $104 for full set via Vivid Racing.

Ferrea Seat Locator for Toyota 1GR-FE, set of 24, ensures precise valve spring alignment and stability, made from high-quality alloy steel.

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.

Ferrea takes great pride in offering premium quality Spring Seat Locators. Fully CNC machining in-house from 4140 chromoly alloy for different applications. Each piece is crafted to exact tolerances OD & ID specs and insure flat, parallel spring pad to the bottom surface.

Ferrea Intake Valve Seal for Toyota 2JZ-GTE, set of 12, high-quality rubber, prevents oil consumption

These valves are designed to handle the extreme heat requirements and punishment of today’s Nitro Fuels, Supercharged, Turbocharged, Nitrous Oxide. Many Top Fuel and Funny Car teams can confirm the performance and reliability of these valves which are now available for many engine combinations including Drag Race, Time Attack, Road Race, Endurance.

The Ferrea Intake Valve Kit TB48 +1.5mm (Set of 12) offers larger valves for improved airflow and engine performance, designed for Nissan TB48 engines.

The Ferrea Intake Valve Kit for LS3, 2.165" 12deg, Set of 8, features high-performance valves made from EV8 stainless steel with a 12° underhead angle, designed for high-revving LS3 engine builds.

Ferrea Intake Valve Kit for Toyota 2JZ-GTE, +1mm oversize, set of 12, aerospace-grade EV8-Z18 alloy