COMP Cams Hi-Tech Timing Set Buick/Olds - 3129CPG

Cast iron camshaft gear and induction hardened billet steel crank sprocket; Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degreemaximum 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