Description

This product is a heavy-duty timing chain designed for various LS engine models such as LS1, LS2, LS6, LS3, LS7, LS9, and LSX. It is a new genuine GM part with manufacturer part numbers 12646386 and 12646387. Made of steel, this timing chain is a direct replacement for the original part and is suitable for use in engine timing systems. It ensures proper synchronization of engine components for optimal performance and reliability.