COMP Cams Valve Springs, Retainers 1772-1 7 Degree Tool Steel Retainer for 8mm Valve, Spring w/ 1.290" O.D CNC-machined for consistency, this 7 degree tool steel retainer features light weight, exceptional strength and wear characteristics. Fits 8mm valve engines with a 1.290" O.D. spring such as our 26915, 26918, 7228, 7230 and 7256 springs. COMP Cams Retainer Tool Steel For 26915