COMP CAMS Hi-Tech Timing Set '64-'86 AMC 199-258 COM3127CPG

Cast Iron Camshaft Gear and induction hardened billet Steel crank sprocket. Feature 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard. Pre-stretched, heat-treated double Roller chain with heavy-duty large pin design chain available separately. Dynamically balanced and quality checked for run-out tolerances. Ideal for all street performance and race applications.