Cloyes 9-3159A Engine Timing Set

Cloyes 9-3159A Timing Set for GM V8 Applications

The Cloyes 9-3159A engine timing set is built for specific GM applications that need precise valve timing control and durable chain drive components. It combines a HEX-A-JUST adjustable cam sprocket setup with a true double roller chain to support accurate timing setup on Chevrolet Silverado, GMC Sierra, and related V8 platforms.

Key Features

• HEX-A-JUST design provides infinite valve timing adjustment within +/-6 degrees
• One-piece camshaft sprocket with billet eccentric camshaft dowel bushing
• Heat-treated billet steel sprockets for added durability
• True double roller chain with 0.250" roller diameter for reduced friction
• Hand-matched set to help qualify center distance and minimize runout
• Specific fitment for selected Chevrolet, GMC, Cadillac, Buick, Pontiac, Saab, Hummer, Isuzu, and Corvette applications

Detailed Description

Cloyes 9-3159A is an engine timing set for performance-minded and repair-focused builds that require accurate cam timing control. The adjustable HEX-A-JUST sprocket design allows fine timing changes during setup, while the double roller chain and heat-treated steel sprockets support stable operation in demanding GM engine applications. This part number is commonly searched for Chevrolet Silverado 1500 timing set, GMC Sierra timing set, and Corvette timing chain replacement needs.

This part cross-references 93159A for the same application.

What It Helps Solve

• Excessive timing chain wear or stretch
• Timing noise from a worn chain drive
• Need for cam timing adjustment during engine setup
• Runout or center-distance issues in a replacement timing set
• Loss of timing accuracy in high-mileage GM V8 engines

Installation Notes and Tips

Compatible With specific 1997-2007 GM V8 applications listed in the fitment data, including Chevrolet Corvette, Silverado 1500, Tahoe, GMC Sierra 1500, Yukon, Cadillac Escalade, and related models. Fitment notes include 3-bolt, 1 sensor hub configurations and double roller type applications. Reduced-length chains are available by ordering -5 or -10 at the end of this part number when required by the application. Verify engine configuration, sprocket style, and sensor hub setup before installation.

Quality Assurance

Cloyes uses heat-treated billet steel sprockets and hand-matched timing set components to support consistent fit and reduced runout in specific engine applications.