COMP Cams Valve Spring Retainer R10003XS band clamps and all hardware

band clamps and all hardware necessary for a hassle-free installation

Features four charging modes: Desulfation

950 lb/in Spring Rate

3-1/4 in ID

COMP Cams Valve Spring Retainer R10003XS band clamps and all hardwarePrecision machined from chromemoly steel then black oxided, this 10 degree retainer is designed specifically for a 1. 500" 1. 550" O. D. valve spring. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer