This Cloyes 9-3678X5 High-Performance Billet Timing Set eliminates the tensioner on GM LT Engines equipped with VVT (Variable Valve Timing). It replaces the chain and crankshaft sprocket to tighten the chain fitment, eliminating slack.

Cloyes 9-3678X5 High-Performance Billet Timing Set Features:

• Premium True Roller chain features superior strength with full roller action, heat-treated side plates, and .250 in. rollers
• Billet 5-Keyway crank sprocket provides plus or minus 5 degrees of timing adjustability
• (2) Diamond-impregnated thrust washers reduce friction
• High-strength guide eliminates factory tensioner
• Center distance is corrected to reduce chain slack
• The oil pump spline drive has been precision machined for durability