Hi-Tech Roller Race Timing Set for Chevrolet 348, 409

With a cast iron camshaft gear and induction hardened billet steel crank sprocket, this Hi-Tech™ Roller Race Timing Set features a 3 keyway crank sprocket for 4-degree incremental adjustability and 4-degree maximum advance/retard. The pre-stretched, heat-treated double roller chain with heavy-duty large pin design is capable of withstanding the heavy demands of racing applications; chain available separately. Dynamically balanced and quality checked for run-out tolerances this set ideal for all street performance and race applications