COMP Cams Valve Springs, Retainers 710-1 COMP Cams Keyway Adjustable Billet Timing Sets include induction hardened, precision machined steel billet gears and pre-stretched, heat-treated double roller timing chains with heavy-duty large pin design. They feature a 9 keyway crank sprocket for 2? incremental adjustability with 8? maximum advance or retard. These timing sets are ideal for all street performance and race applications. Billet Timing Set, CB GENVI '9 6-02 9-Key COMP Cams Big Block Chevy Gen VI Keyway Adjustable Billet Timing Set COMP Cams Steel Retainer 3-Valve Ford 4
