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The COMP Cams upper gear for the #6504 Hi‑Tech belt drive is a direct replacement intended for Chevrolet Small Block and Oldsmobile Rocket raised‑cam applications. It reinstates the correct upper‑gear engagement and timing within the matched 6504 assembly. Use this component when rebuilding or repairing the Hi‑Tech drive to preserve timing accuracy and the system’s engineered operational characteristics.
COMP Cams Upper Gear For 6504
