Product Description
Michigan Motorsports LS Front Timing Cover Gasket
Fits 1997–2013 GM LS Engines | Replacement for GM 12633904 | 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L
The Michigan Motorsports LS Front Timing Cover Gasket is a high-quality replacement designed for all 1997–2013 LS-based car and truck engines. Any time the front timing cover is removed—especially during a balancer pull, camshaft swap, or timing service—this gasket should be replaced to ensure a proper, leak-free seal. Manufactured to meet the fit and performance of the original GM part (#12633904), this gasket provides dependable sealing and long-term durability for both stock and performance LS applications. Don’t risk reusing old gaskets; ensure a reliable repair with Michigan Motorsports.
Key Features
- Premium Replacement Gasket: Designed to replace GM part #12633904 and provide factory-quality sealing performance for all LS timing cover services or repairs.
- Must-Have for Timing Cover Removal: Recommended anytime the timing cover is removed—whether for cam swaps, oil pump replacement, timing chain upgrades, or front seal service—to ensure a leak-free installation.
- High-Quality Materials: Manufactured to OE specifications for durability, proper crush, and long-term oil sealing on high-mileage or high-performance LS engines.
- Easy Direct Replacement: Installs exactly like the factory gasket, providing precise fitment without modification for both first-time and professional mechanics.
- Dependable LS Engine Sealing: Ensures proper timing cover sealing on daily drivers, LS swaps, performance builds, and high-mileage engine rebuilds.
Key Fitments
- Engine Compatibility: Fits 1997–2013 LS engines including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L configurations found in GM car and truck applications.
- Covers Most LS Variants: Compatible with LS1, LS2, LS3, LS6, L99, LSA, L92, L9H, L94, LS2, L76, L77, LY6, L96, LFA, LZ1, LY5, LMG, LMF, LH6, LC9, LY2, L20, L33, LQ4, LQ9, LR4, LM7, L59, LS4, LH8, and LH9 engines.
- Applications: Suitable for maintenance repairs, LS swaps, rebuilds, cam swaps, timing upgrades, and front-seal service on any compatible LS engine.
