Michigan Motorsports LS Timing Chain Tensioner Damper - Fits 4.8L 5.3L 6.0L 6.2L LS Engines - Replaces GM 12588670 - Compatible with LS2 LS3 LQ4 LQ9 L76 LY6 L96

The Michigan Motorsports Timing Chain Tensioner Damper is an essential upgrade or replacement component for maintaining chain alignment, timing stability, and overall engine reliability in LS-based builds. This part serves to stabilize the timing chain as it rotates around the crankshaft and camshaft sprockets, preventing slack and minimizing the risk of chain noise, stretch, or skipping. It is a direct-fit replacement for GM part number 12588670, commonly found in LS2, LS3, and other Gen III/IV 4.8L–6.2L LS engines. Whether you're building a high-performance LS engine, replacing worn timing components, or freshening up a daily driver or LS swap, this damper provides the OEM fitment and performance you can count on.

• Direct Replacement Timing Chain Damper for LS Engines – Designed to maintain proper tension on the timing chain, this Michigan Motorsports damper helps reduce timing fluctuation, chain slap, and wear—ideal for stock and performance applications.
• Replaces GM Part Number 12588670 – Manufactured to OEM specifications and dimensions, this timing damper is a reliable replacement for worn or damaged factory components.
• Compatible with a Wide Range of Gen III & Gen IV LS Engines – Fits popular LS engine platforms including LS2, LS3, LQ4, LQ9, LY6, L76, L96, and more—used in both performance cars and trucks from 1999–2014.
• Durable Construction for Street & Performance Use – Built from high-strength composite and steel materials to ensure long-term durability and consistent chain support under high-RPM and high-load conditions.
• Ideal for Timing Chain Service, Cam Swaps & Engine Rebuilds – Whether you’re performing a camshaft upgrade, engine refresh, or LS swap, this tensioner damper is a key part of maintaining proper valvetrain performance.