Engine Timing Crankshaft Sprocket

Tracker.

Engine Timing Chain

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

Engine Timing Chain Guide, Lower

Tracker. Upper chain. Lower guide.

Engine Intake Valve

Intake. Tracker.

Engine Camshaft Follower

Tracker. Metro.

Engine Camshaft

Tracker. Intake.

Engine Timing Sprocket

Tracker.