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This COMP Cams High Energy aluminum polylock fits 7/16" stud diameter rocker arms and stands 1.125" tall to suit moderate lift and spring pressures. Made to pair with compatible die-cast aluminum roller rocker arms, the polylock secures the rocker stud while offering a lightweight locking solution for applications that require the 7/16" stud size and modest valve spring setups.
COMP Cams Poly Lock 7/16 High Energy Al
