Ferrea E12014 Titanium Retainer Set for LS1/LT1, set of 16, 7° Pro CNC profile, approx

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 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.

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.

Ferrea Exhaust Valve Kit for TB48, +1mm oversized, includes 12 valves engineered for enhanced airflow and performance.

Ferrea Exhaust Valve Kit for TB48, +1.5mm oversized, includes 12 valves designed for optimal airflow and improved engine performance.

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

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.