With precision machined steel billet gears, our keyway timing set for Chevrolet 396-454 Big Block is built with bullet-proof durability. Features 9 keyway crank sprocket for 2 degree adjustment increments and double roller chain.
Induction hardened and precision machined Steel billet Gears for bullet proof durability. Feature 9 keyway crank sprocket for 2-degree incremental adjustability, 8-degree maximum advance/retard. Pre-stretched, heat-treated double Roller timing chain with heavy-duty large pin design. Includes Torrington Roller thrust bearing for reduced friction. Ideal for all street performance and race applications.
