A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder; Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment; From stock replacement to high performance, Cloyes has the most complete timing chain catalog; Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance; Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing; Refer to our online catalog for detailed application-specific information; Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems