GM LSX (58x) 9 Keyway (Three-Bolt) Billet Timing Set
* Induction-hardened steel billet gears for durability
* 9-keyway crank sprocket for 2-degree incremental adjustability, 8-degree maximum advance/retard
* Pre-stretched, heat-treated double roller chain with heavy-duty large pin design
* Includes Torrington roller thrust bearing for reduced friction