Michigan Motorsports High-Performance HD LS Timing Chain | Fits LS 4.8L 5.3L 5.7L 6.0L | Heavy-Duty Precision Engineered for LS1 & LS-Based Engines

Precision Engineered for LS Performance – Designed to handle the extreme demands of high-performance LS engines, this heavy-duty timing chain delivers superior strength and durability for 4.8L 5.3L 5.7L and 6.0L LS engines.

Heavy-Duty Construction – Built with premium alloy steel and advanced heat treatment for exceptional wear resistance, reducing stretch and improving longevity under extreme loads.

Perfect for High-Performance & Daily Use – Whether you're building a high-horsepower LS setup or need reliable OE+ performance, this timing chain ensures precise cam timing and optimal engine efficiency.

Direct Fit & Easy Installation – Engineered for a drop-in fit on LS1 LS2 LS6 and other LS-based engines, making it an ideal replacement or upgrade for stock and performance builds.

Trusted by LS Enthusiasts & Builders – Michigan Motorsports delivers high-quality components trusted by engine builders, racers, and LS swap experts across the industry.

A high-performance engine demands precision, and the Michigan Motorsports High-Performance HD Timing Chain is built to deliver. Designed to handle the stress of high-horsepower and high-revving LS builds, this heavy-duty timing chain is constructed from high-strength alloy steel with advanced heat treatment for durability, minimal stretch, and long-term reliability. Replaces 12646386. This timing chain is the ideal solution for anyone upgrading or rebuilding an LS engine. Whether you’re running a naturally aspirated, boosted, or nitrous-fed setup, this high-performance chain ensures accurate cam timing for maximum efficiency and power. It is a direct replacement for LS1 LS2 LS6 and other LS-based engines, making installation straightforward for both professional engine builders and DIY enthusiasts.