COMP Cams AMC V8 Magnum Double Roller Timing Set. 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 incremental adjustability with a 4 maximum advance or retard. These sets are ideal for mild street performance applications.
