Supertech Toyota 2JZ Dual Valve Spring Kit- (24)SPR-TS1009 + (24)RET-TS60/T1-2

The spring seat pressure on these Supertech dual valve springs for the Toyota 2JZ engine is set at 100 lbs at the valve closed position, with an open pressure of 270 lbs at 13.00mm lift. This well-built kit includes 24 dual springs and 24 retainers, specifically designed to handle the demands of high-RPM engine builds. The dual spring design offers a significant advantage by providing a more stable valve train, reducing the risk of valve float even under aggressive driving conditions or when using aggressive camshaft profiles.

Constructed from high-tensile wire, these springs are built to withstand the repeated stress of rapid valve actuation. The included retainers are made from a strong steel alloy, ensuring they can handle the increased spring pressures without deformation. This combination of robust materials and precise engineering helps maintain consistent valve control, which is crucial for maximizing power output and engine reliability in performance-oriented 2JZ applications. Proper installation is key to realizing the full benefits of this kit; ensure you follow manufacturer guidelines for spring height and retainer installation.

This kit is a solid option for anyone rebuilding or modifying their 2JZ engine for performance use. It addresses a critical component of the valvetrain that often becomes a limiting factor in higher horsepower builds. By upgrading to these dual springs and retainers, you're investing in the stability and longevity of your engine's top end, allowing it to perform reliably at higher engine speeds.