COMP Cams Valve Springs, Retainers 1730-12 10 Degree Tool Steel Retainer Set of 12 All Valves w/ 1.437"-1.500" O.D. Springs CNC-machined for consistency, these 7 degree lightweight tool steel retainers feature light weight, exceptional strength and wear characteristics. Fit engines with 1.437"-1.500" O.D. valve springs. COMP Cams Retainers Lite Wt Tool Stl 1