Michigan Motorsports LS Lower Timing Chain Crank Gear | Replaces GM #12556582 | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | OEM-Style Replacement

Maintain accurate engine timing with the Michigan Motorsports LS Lower Timing Chain Crank Gear designed to replace GM #12556582. This crankshaft sprocket fits popular LS engine platforms including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications such as LS1, LS2, LS3, LS6, LQ4, and LQ9 engines. Precision machined for proper timing chain engagement, it helps maintain correct synchronization between the crankshaft and camshaft. Ideal for timing chain service, camshaft upgrades, or engine rebuilds, this crank gear supports dependable timing system operation.

• Lower Crankshaft Timing Chain Gear – Designed to replace GM #12556582, this lower timing sprocket connects the crankshaft to the timing chain to maintain proper engine timing operation in LS engines.
• Fits Popular LS Engine Platforms – Compatible with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS engines including LS1, LS2, LS3, LS6, LQ4, and LQ9 applications used in trucks and performance vehicles.
• Maintains Accurate Timing Chain Operation – Ensures proper engagement between the crankshaft and timing chain to support consistent camshaft timing and reliable engine performance.
• Precision Machined for Reliable Fitment – Manufactured to factory-style tolerances for proper installation with OEM timing chain components.
• Ideal for Timing Service & Engine Rebuilds – Recommended when replacing timing chains, camshafts, or rebuilding engines to ensure fresh timing system components are installed.