Michigan Motorsports 1-Bolt to 3-Bolt LS Cam Gear Conversion Kit – Fits 58X Reluctor Engines – LS2 LS3 L99 L76 L92 L77 – Includes 3-Bolt Cam Gear & ARP Cam Bolts – Replaces GM #12586481. Converts 1-Bolt LS Cam to 3-Bolt Design – Designed for 58X reluctor wheel engines, this kit allows installation of a 3-bolt camshaft in engines originally equipped with a 1-bolt cam setup. Includes Hardened 3-Bolt Cam Gear – Features a durable, precision-machined 3-bolt camshaft sprocket, engineered for improved strength over factory 1-bolt configurations. Includes ARP Camshaft Bolts – Comes complete with three (3) ARP 12-point cam bolts, delivering high-strength and consistent torque retention in high-performance LS builds. Ideal for Cam Swaps and Performance Upgrades – Perfect for LS enthusiasts installing an aftermarket camshaft that requires 3-bolt compatibility and increased timing durability. The LS 1-Bolt to 3-Bolt Cam Gear Conversion Kit is a must-have for builders upgrading to a 3-bolt camshaft in a 58X reluctor-equipped LS engine. Designed to replace GM part #12586481, this kit includes everything needed to convert your camshaft drive system while enhancing timing system durability. The included 3-bolt cam sprocket is machined for strength and reliability, making it an excellent upgrade for performance cam swaps, boosted applications, or high RPM builds. The included ARP 12-point cam bolts ensure rock-solid retention and proper torque specs in aggressive valvetrain setups. Whether you’re converting your LS2, LS3, L92, L99, or L76 to a 3-bolt camshaft or building an LS from the ground up, this kit provides precision fitment, race-ready durability, and simplified installation. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.