Description: Silverado, sierra. Exhaust. Suburban 3500hd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Tahoe, Yukon, Escalade. 6.2l. Avalanche, Escalade EXT. 6.0l, 6.2l. Escalade ESV. Yukon XL, Suburban. 6.2l. Hummer H2. Helps ensure optimal camshaft positioning Works alongside your vehicle's VVT solenoid to help maximize drive quality and fuel economy

Description: Optimize your engine's performance with the GM Timing Chain Tensioner Kit (12626407). This comprehensive kit, including a retainer and bolt, ensures your engine's timing chain operates smoothly. The tensioner maintains optimal chain tension, preventing slack that can lead to chain rattle and premature wear. This kit is designed for general fitment, making it a reliable solution for maintaining engine efficiency. Ensure your engine runs at its best with this essential timing chain component.

Description: Synchronizes the rotation of the crankshaft and the camshaft(s) to help ensure that the engine's valves open and close at the proper time during each cylinder's intake and exhaust strokes Manufactured to GM OE specification for fit, form, and function

Description: Adjusts the valves on your vehicle's engine for proper performance