Comp Cams 2110 Magnum Double Roller Timing Set for Big Block Chevrolet

COMP Cams Magnum Double Roller Timing Sets include induction hardened cast iron camshaft gears, billet steel crank sprockets and heavy-duty, heat-treated double roller timing chains.They feature 3 keyway crank sprockets for 4 degree incremental adjustability with a 4 degree maximum advance or retard.These sets are ideal for mild street performance applications.'