These COMP Cams steel valve spring retainers are CNC-machined from SAE 4140 chromemoly steel with a contoured top profile developed via CAD/FEA for reduced stress and mass. The retainers are precision machined and black-oxide finished; the described unit is a 7° retainer for 11/32" valve stems and accepts springs with approximately 1.430"–1.460" outer diameter, matching select single-spring applications.
COMP Cams Steel Retainer 1.437in