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The Gates Variable Valve Timing sprocket for 2002–2004 Chevrolet Trailblazer 6‑cyl 4.2L is the camshaft sprocket used in that engine's VVT arrangement. Supplied as a replacement component, it restores variable cam timing control for the specified Trailblazer engines, helping preserve the factory valve‑timing function across the listed model years.
Gates 02-04 Chevrolet Trailblazer 6-Cyl. 4.2L Engine Variable Valve Timing Sprocket
