Center Timing Chain for 1999-2015 GMC Sierra 1500 & More - Cloyes High Performance 9-303

High Performance 3/8" Pitch Single Roller Replacement TRUE Roller "Z Chain" Chain. 0.250" Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

• 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
• 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
• 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
• Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
• From stock replacement to high performance, Cloyes has the most complete timing chain catalog
• Refer to our online catalog for detailed application-specific information