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The COMP Cams Hi‑Tech double-roller timing set for 1955–1982 Pontiac 326–455 engines pairs a cast iron cam gear with an induction-hardened billet steel crank sprocket to provide precise cam timing. A 3-keyway crank sprocket allows 4° of incremental adjustment with ±4° maximum advance/retard. The pre-stretched, heat-treated double roller chain and heavy-duty large-pin design are dynamically balanced and checked for run-out, making this kit suitable for street and race applications.
COMP Cams Hi-Tech Roller Timing Set Ponti
