Keyway Adjustable Billet Timing Set for 58X 1-Bolt, 4 Pole GM LS

GM LS (58X) Single Chain 9 Keyway Adjustable Billet Timing Set (Single-Bolt Gear, 4 Pole Reluctor)

• 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
• Prestretched, heat-treated double Roller chain with heavy-duty large pin design
• Ideal for all street performance and Race Applications