Engine Rocker Arm

Engine Exhaust Valve

Engine Intake Valve

Engine Camshaft Follower

Engine Timing Crankshaft Sprocket

Engine Timing Chain

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

Engine Timing Sprocket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Applies pre-set tension to the balance shaft chain to help prevent unnecessary balance shaft noise, engine vibration, and component wear

Engine Balance Shaft Chain Guide, Upper