These COMP Cams High Energy aluminum polylocks are 1.125" tall and designed for 3/8" stud diameter die-cast aluminum roller rocker arms. Suited for moderate lift and spring pressures, the set provides the proper height and locking profile to work with COMP Cams 3/8" rocker hardware, giving a matched component for reliable valve train retention.
COMP Cams Poly Lock 3/8 High Energy Alu