Hi-Tech Roller Race Timing Sets, AMC 290-401, '69-81
- 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.