The Gates Variable Valve Timing sprocket for the 2005 Chevrolet Trailblazer 6‑cyl 4.2L is the camshaft sprocket used in that engine's VVT system. Offered as a replacement part, it reinstates the variable timing control for the Trailblazer's camshaft, helping maintain the original valve‑timing function for the specified 2005 4.2L application.
Gates 2005 Chevrolet Trailblazer 6-Cyl. 4.2L Engine Variable Valve Timing Sprocket