Supertech Dual Valve Spring and Retainer Kit (DSM / Evo 4G63)
Supertech*SEE DETAILS
Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.
The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.
Customer Reviews
They were easy to install, and look great too! Comes with everything you need, including valve stem seal because stock ones don’t not fit.
The supertech range of valvetrain gear is the not only the best quality, but best value of any kit on the market. No confusing packages, just get the kit & its all you need.
