Cloyes 9-3157 Engine Timing Set

Cloyes 9-3157 Engine Timing Set for GM V8 Applications

The Cloyes 9-3157 engine timing set is built for specific Chevrolet and GMC applications that need accurate cam timing control and durable chain drive components. It features a billet crankshaft sprocket with three keyways for +/- 4 degrees of adjustability, making it a practical choice for performance tuning and timing correction on compatible GM trucks and SUVs.

• Billet crankshaft sprocket with three keyways for +/- 4 degrees timing adjustment
• Heat-treated sprockets for added durability
• Premium half-inch pitch single roller chain for reduced friction
• Hand-matched 3-piece set to help qualify center distance and minimize runout
• Specific fitment for select Chevrolet, GMC, and Cadillac applications

Detailed Product Overview

Cloyes 9-3157 is an engine timing set engineered for precise valve timing control in select GM platforms. The adjustable crank sprocket allows timing changes without changing the overall chain drive layout, while the heat-treated sprockets and single roller chain support consistent operation under demanding conditions. This timing set is a direct-fit solution for vehicles including the Chevrolet Tahoe, Chevrolet C/K trucks, GMC Yukon, and Cadillac Escalade within the listed model years.

This part cross-references part number 93157 for the same application.

What This Timing Set Helps Address

• Timing chain stretch that can affect cam timing accuracy
• Excessive chain friction in worn or high-mileage timing systems
• Need for cam timing adjustment during engine setup or rebuild work
• Runout concerns from mismatched timing components
• Replacement needs on Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade timing systems

Installation Notes and Tips

Verify engine code, timing cover clearance, and sprocket alignment before installation. Because this set is keyway adjustable, confirm the desired timing position during assembly and follow the service manual procedure for cam timing setup. Use the listed fitment only for the specified Chevrolet Express, GMC Savana, C/K, Suburban, Yukon, Tahoe, P30, P3500, and Escalade applications.

• Fits 1996-2002 Chevrolet Express 1500, N/A
• Fits 1996-2002 Chevrolet Express 2500, N/A
• Fits 1996-2002 Chevrolet Express 3500, N/A
• Fits 1996-2000 Chevrolet Tahoe, N/A
• Fits 1999-2000 Cadillac Escalade, N/A
• Fits 1997-2000 GMC Yukon, N/A

Quality Assurance

Cloyes timing components are built for specific engine applications and assembled to support correct center distance and reduced runout. The 9-3157 part number is a specific-fit timing set for the listed GM vehicles, including Chevrolet Tahoe and GMC Yukon applications.