COMP Cams703-16Valve Springs, RetainersNew valve springs with larger diameters require new retainers to handle the higher pressures developed by the springs. COMP Cams steel valve spring retainers are the solution. Precision-machined from 4140 chromoly and finished in black oxide, these retainers are specifically designed for positive location when combined with COMP Cams’ high-quality valve springs. They’re available for single, double, and triple-spring applications.