FMBP 48568-3 Engine Timing Set

Performance Timing Chain Kit

The Melling 48568-3 engine timing set is built for performance-focused rebuilds that need matched timing components. It combines a single roller timing chain with included sprockets and an adjustable keyway camshaft sprocket for precise timing setup.

Compatible with a wide range of Chevrolet, GMC, Cadillac, Oldsmobile, and Pontiac applications, this kit supports engines used in full-size cars, performance coupes, and vans. The 48568-3 is part of Melling's Performance line, giving builders a timing solution aimed at service-level flexibility and rebuild accuracy.

Key Features

• Single roller timing chain for performance-oriented engine builds
• Adjustable keyway camshaft sprocket for timing correction
• Cast iron camshaft sprocket material
• Sprockets included for a complete timing component set
• Performance grade construction for rebuild applications

Detailed Description

Melling 48568-3 is an engine timing set designed around matched chain and sprocket components for rebuild work where timing accuracy matters. The single roller chain design pairs with high-quality sprockets, while the adjustable keyway adds setup flexibility during installation and engine tuning. Cast iron sprocket construction and the performance grade designation make this kit a practical choice for builders working on Chevrolet Camaro, Chevrolet Corvette, and Pontiac Firebird applications, as well as other listed GM platforms.

This timing set is intended for engines with a 4.521-inch center distance and is listed across 1987-2002 GM passenger and truck applications. If you are replacing worn timing components in a Chevrolet Caprice, GMC Savana 2500, or similar platform, the 48568-3 provides the core parts needed for a timing service or rebuild. This part cross-references Four Seasons 78381 for the same application.

What It Is Used For

• Correcting timing chain stretch and related timing drift
• Replacing worn sprockets during an engine rebuild
• Restoring camshaft-to-crankshaft timing accuracy
• Addressing noise or slack from aged timing components
• Supporting performance-oriented engine assembly work

Installation Notes and Tips

Verify engine center distance and application details before installation. The adjustable keyway sprocket allows timing adjustment during setup, so follow the engine builder's timing procedure and alignment marks carefully. Confirm compatibility with the listed GM fitments, including Chevrolet Express 1500, GMC Savana 1500, and Chevrolet Corvette applications, before beginning service.

Quality Assurance

Melling timing chain kits are manufactured with attention to design, materials, and workmanship, and the Performance line offers coverage for standard, heavy-duty, and performance timing needs. The 48568-3 is built as a rebuild-focused timing solution for applications that require matched components and precise setup.