Keyway Adjustable Billet Timing Sets; GM Gen III (LS1/LS6) Models w/ 24 Tooth Reluctor
* 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