Adjustable Double Roller Timing Set for 454-502 Big Block Chevrolet GEN VI

• Include induction hardened steel billet gears for bullet proof durability

• Feature infinitely adjustable camshaft sprocket, 6-degree maximum advance/retard

• 3 keyway crank sprocket for additional 4-degree incremental adjustability

• Pre-stretched, heat-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.