Product Description
Michigan Motorsports LS Multi-Layer Steel Exhaust Manifold Gaskets
Like GM #12617944 – Fits All Gen 3/4 LS Engines
Michigan Motorsports LS Multi-Layer Steel (MLS) Exhaust Manifold Gaskets are the ultimate solution for sealing your LS engine's exhaust system. Built for high performance and long-term durability, these gaskets are a smart upgrade for any LS enthusiast—whether you’re restoring a stock setup or building a high-horsepower machine. Designed to meet OEM specifications, they provide a perfect fit and dependable seal for both factory and aftermarket applications.
Key Features
- Full LS compatibility: Fits all Gen 3/4 LS engines including LS1, LS2, LS3, LS6, LQ4, LQ9, 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L.
- MLS construction: Multi-layer steel design provides excellent sealing under heat, pressure, and vibration.
- OEM-matched fitment: Precision-engineered to match GM #12617944 for an easy, trouble-free installation.
- Versatile use: Perfect for LS swaps, performance builds, and stock replacement projects.
- Complete set: Includes (2) MLS exhaust manifold/header gaskets—enough for both cylinder heads.
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Product Reviews
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Great gaskets
I got these after having a different name brand gasket set fail on me. And what a difference, like night and day just by looking at them
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Best seal
Went well with shorty headers
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Ls exhaust gaskets multi layer
This is good quality product same as oem i will be buying inthe future from Michigan motorsports
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Great Gaskets at Great Price!
Great quality gaskets at better than OEM pricing! Worked great for my G8 project. Fully recommend these!
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Exhaust manifold gasket
Super fast shipping! Gaskets fit perfect and are high quality
