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.