Cloyes 9-1157 Engine Timing Set

Cloyes 9-1157 Timing Set for GM V8 Applications

The Cloyes 9-1157 engine timing set is built for specific GM truck, SUV, and van applications from 1996-2002. It combines an adjustable billet crankshaft sprocket with a heavy-duty single roller chain to support accurate cam timing and reduced friction in service.

Key Features

• Keyway-adjustable crankshaft sprocket with three keyways for +/- 4 degrees of timing adjustment
• Heat-treated sprockets for added durability
• Heavy-duty half-inch pitch single roller chain for lower friction
• Specific-fit timing set for confirmed GM applications
• Cross-reference part number: 201157

Detailed Description

Cloyes 9-1157 is an engine timing set for select Chevrolet, GMC, and Cadillac vehicles, including Chevrolet Express 1500, Express 2500, Express 3500, Tahoe, C1500, K1500, C2500, K2500, C3500, K3500, and GMC Savana, Yukon, C1500, K1500, C2500, K2500, C3500, K3500 applications. It also fits Cadillac Escalade models in the listed years. The billet crankshaft sprocket uses three keyways to allow timing adjustment without changing the overall timing set design, while the heat-treated sprockets and roller chain support durability in street-driven use. This part number, 9-1157, is a direct-fit timing set for the listed applications and cross-references 201157.

What This Timing Set Helps Address

• Worn or stretched timing chain components
• Timing chain noise from aged engine parts
• Loss of cam timing accuracy
• Need for adjustable ignition and cam timing setup
• Replacement during engine service on GM V8 platforms

Installation Notes and Tips

Verify engine code, timing cover clearance, and original sprocket/keyway configuration before installation. Because this is a keyway-adjustable timing set, confirm the desired timing offset during setup and follow factory service procedures for camshaft and crankshaft alignment. Fitment includes 1996-2002 Chevrolet Express 1500, Express 2500, and Express 3500; 1996-2002 GMC Savana 1500 and Savana 2500; 1997-2002 GMC Savana 3500; 1999-2000 Cadillac Escalade; 1996-2000 Chevrolet C2500, C3500, K2500, K3500, and Tahoe; 1996-2000 GMC C2500; 1997-2000 GMC C3500, K2500, K3500, and Yukon; 1996-1999 Chevrolet C1500, C1500 Suburban, C2500 Suburban, K1500, K1500 Suburban, K2500 Suburban, and P30; 1996-1999 GMC C1500; 1997-1999 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and P3500; and 1996-1999 GMC K1500.

Quality Assurance

Cloyes manufactures timing components for engine service applications, and this set uses heat-treated sprockets plus a heavy-duty roller chain to support consistent operation in the listed GM vehicles. Specific-fit design helps ensure the correct application match for the part number 9-1157.