When you need an exact-fit replacement for your engine's timing system, choose the GM Genuine LS9 Engine Crankshaft Sprocket.
This is a true OE part that has been extensively tested and backed by General Motors. It adheres to the most rigorous standards for quality, durability, and performance, ensuring that your engine timing remains accurate and reliable.
GM Part # 12622539
For use with Katech High Capacity Scavenge, High Capacity Pressure, Ported Oil Pump Upgrade Service on 2006-2008 LS7 2009+ LS7 and LS9 already equipped