Product Description
Michigan Motorsports LS1 Cylinder Head Gasket – MLS Multi-Layer
Bore Size: 3.920" – Thickness: .051" – Replaces GM #12589226
The Michigan Motorsports MLS (Multi-Layer Steel) LS1 Cylinder Head Gasket is a direct replacement for LS1 and LS6 GM head gaskets. Built to the same high standards as OEM units, this gasket features premium multi-layer construction for superior sealing and durability. Produced by the same source as the factory GM version, it’s the perfect choice for stock rebuilds, LS swaps, and performance builds alike.
Key Features
- OEM replacement: Direct replacement for LS1/LS6 GM head gasket #12589226.
- MLS construction: Multi-layer steel design for excellent sealing under high compression and heat.
- High-quality manufacturing: Produced by the same source as the OEM GM gasket for proven reliability.
- Broad compatibility: Fits 4.8L, 5.3L, and 5.7L LS-based engines.
- Perfect for performance or stock builds: Ideal for LS swaps, rebuilds, or upgrades.
Specifications
- Bore size: 3.920"
- Thickness: .051"
- Material: Multi-Layer Steel (MLS)
