Description

Adjustable Double Roller Timing Set for 454-502 Big Block Chevrolet GEN VIInclude induction hardened Steel billet Gears for bullet proof durability. Feature infinitely adjustable Camshaft sprocket6-degree maximum advance/retard.3 keyway crank sprocket for additional 4-degree incremental adjustability. Pre-stretchedheat-treated single row chain with heavy-duty large pin design chain available separately. Torrington Roller trust bearing reduces friction. Ideal for all street performance and race applications. NOTE: Can NOT be used with the factory fuel injection.