Hi-TechT Roller Race Timing Sets; Buick, AMC, Olds, Pontiac V6, '8-231, '62-77, Buick 350, '68-80
- 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