Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit

Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry to offer, Supertech Spring / Retainer kits are second to none in terms of performance, quality and value. Supertech valve springs are computer designed to ensure smooth harmonics under high RPM and load. The stress levels are kept under control and fatigue is reduced for long durability under extreme conditions. These springs are made of premium Superclean Chrome Silicon Vanadium steel alloy, which is a tough alloy that was designed for higher performance and durability at high RPM's and memory retention. Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.