COMP Cams Valve Springs 1.550in Dirt/LatElite Race Double Valve Springs from COMP Cams have a . 700" to . 800" maximum lift and outside diameter of 1. 549". The best in durability and load loss prevention, and designed for use with Roller cams, they are widely used in Dirt Late Model and Asphalt Applications, as well as Serious bracket race engines. The Metallurgists at COMP Cams scrutinize every piece of Metal utilized in the creation of Elite Race Valve Springs to make sure they are of