*Keyway Adjustable Billet Timing Sets* * Induction hardened and precision machined, steel billet gears for bullet proof durability * Features 9 keyway crank sprocket for 2-degree incremental adjustability, 8-degree maximum advance/retard * Pre-stretched, heat-treated double roller chain w/ heavy-duty large pin design * Includes Torrington roller thrust bearing for reduced friction * Ideal for all street performance and race applications PartNumber : cca7106-5 Description : Nine Key Way Billet Timing Set Title : 7106-5 Timing Set, LS-X Double 9Key 3 B 4P Engine Components::Timing Chains