Hi-TechT Roller Race Timing Sets; Oldsmobile V8, 260-455, '65-83

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