This COMP Cams High Energy aluminum polylock fits 3/8" stud diameter roller rocker arms and measures 1.125" tall, intended for moderate lift and spring pressure applications. It pairs with COMP Cams 3/8" die-cast aluminum roller rocker arms to provide a secure locking solution where the 3/8" stud size and specified height are required for proper valve train assembly.
COMP Cams Poly Lock 3/8 High Energy Alu