COMP Cams Conical Valve Springs .650in/.920in Dia 438lbs Rated

This product includes a set of 16 COMP Cams Conical Valve Springs, designed for high-performance street and race applications. These springs feature a 1.290-inch outer diameter and are rated for 438 lbs/in spring rate. They are designed to be installed at 1.800 inches, with a seat load of 136 lbs at that height and an open load of 412 lbs at 1.170 inches. The conical shape helps reduce mass and improve valve control at higher RPMs.

The conical design is an updated approach to spring technology, offering improved performance over traditional dual springs in many applications. This set is well-built to handle the demands of performance engines, providing reliable valve control. The springs have a coil bind height of 1.125 inches, giving you a good range for valve lift. Make sure to check your specific engine's requirements for installed height and valve lift to ensure these springs are the right fit for your build.