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The Moroso timing pointer for Chevrolet Big Block CN with 5.3-inch bore spacing is an engine timing index intended to mark ignition timing reference points for Big Block Chevy applications. Offered as engine hardware for the specified bore spacing, the pointer assists in aligning timing marks on the harmonic balancer or timing cover during assembly and maintenance to achieve correct ignition timing.
Moroso Chevrolet Big Block CN 5.3in Bore Space Timing Pointer
