COMP Cams Roller Timing Set CB Adj. W/T

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 double Roller chain with heavy-duty large pin design Featuring a pre-stretched, heat-treated, double roller chain, billet gears, an infinitely adjustable cam gear and 3 key crank gear, this adjustable timing set for Chevrolet 396-454 Big Block is ideal for street and race applications.