Michigan Motorsports LS Heavy Duty Timing Chain Set | Includes Heavy Duty Timing Chain, 4X Cam Sprocket, Crank Gear & ARP 134-1003 Cam Bolts | Fits LS1 LS2 LS3 LSA L76 L77 4.8L 5.3L 5.7L 6.0L 6.2L — Open-Box, 17% Off

Complete LS Timing Upgrade Kit – Includes a Michigan Motorsports heavy duty timing chain, 4X camshaft sprocket, hardened crank gear, and a full set of ARP cam bolts—everything needed for a secure and reliable timing system.

Stronger Than Stock Timing Components – The heavy duty chain is engineered to handle high-RPM, cammed, or boosted applications where OE chains are known to stretch or fail.

4X Cam Sprocket for Gen 4 LS Engines – Ideal for use with Gen IV controllers and factory 4X cam sensors. Ensures OEM-compatible timing signals with improved strength and reliability.

ARP Cam Bolts Included – Comes with 3 premium ARP 12-point camshaft bolts, providing industry-leading strength and torque retention for peace of mind in performance builds.

Compatible with 4.8L, 5.3L, 6.0L, 6.2L LS Engines – Works with LS2, LS3, LSA, LC9, L76, L77, LM7, LQ9, and more. Perfect for cam swaps, rebuilds, or high-horsepower upgrades.

Upgrade your LS engine's timing system with the Michigan Motorsports Heavy Duty Timing Set, a premium solution for high-performance LS builds. This complete kit includes a heavy duty single roller timing chain, 4X camshaft sprocket, hardened crank gear, and ARP cam bolts—delivering unmatched strength and reliability for street and strip applications. This chain is engineered to outlast and outperform stock GM chains, which are known to stretch under load. Whether you're building a naturally aspirated stroker, running boost, or just installing a larger camshaft, this set is designed to keep your valvetrain in sync—mile after mile, pull after pull. Designed to work with Gen 4 LS computers, the 4X cam sprocket ensures full compatibility with factory timing sensors and controllers. The included ARP cam bolts provide rock-solid fastening and consistent torque spec in high-RPM and high-pressure environments. Compatible with a wide range of LS engines from 4.8L to 6.2L, including LS2, LS3, LSA, LC9, L76, L77, LM7, and more—this is the kit serious LS builders trust.