The COMP Cams chromemoly steel retainer is CNC-machined with contoured top profiling developed by FEA to lower stress and reduce mass while handling higher spring pressures. Made from high-grade SAE 4140 chromemoly steel and finished in black oxide, this 10° retainer is specified for 1.437"–1.500" O.D. valve springs and is intended as a robust, positively locating solution when paired with COMP Cams valve springs.
COMP Cams Steel Retainer 1.437in