GM LSX (58x) 9 Keyway (Three-Bolt), .005" Undersized
- Induction hardened and precision machined steel billet gears for bullet proof durability
- Feature 9 keyway crank sprocket for 2-degree incremental adjustability, 8-degree maximum advance/retard
- Pre-stretched, heat-treated double roller timing chain with heavy-duty large pin design
- Includes Torrington roller thrust bearing for reduced friction
- Ideal for all street performance and race applications