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These COMP Cams Tool Steel retainers are CNC-machined 7° units intended for 8mm stem engines using 1.290" O.D. valve springs such as select COMP spring part numbers. Developed with FEA and CAD and validated on the Spintron, they offer reduced reciprocating mass compared with chromemoly steel while retaining high strength and wear resistance for aggressive valve train applications where consistent, repeatable retainer geometry matters.
COMP Cams Retainers Tool Steel For 2691
