Fast deceleration from high RPM can cause the timing chain to lash back and possibly fail. The timing chain dampener suppresses the lash preventing chain damage under high stress applications.
- GM Part # 12588670 – Gen IV LS Timing Chain Dampener
- GM LS-series: LS2, LS3, LS7, L92, and L76 (1.762″ Bolt Pattern). Does not fit LS1 or LS6 engines.