Michigan Motorsports Gen V LT4 6.2L MLS Head Gasket | Replaces GM 12654622 | Multi-Layer Steel Supercharged Head Gasket for LT4 LT1 L86 L87 6.2L Engines

The Michigan Motorsports GEN V LT4 6.2 MLS Head Gasket is engineered as a high-strength replacement for GM 12654622, delivering reliable combustion sealing for supercharged LT4 engines and other 6.2L GEN V applications. Manufactured using a premium multi-layer steel (MLS) construction with embossed sealing rings, this gasket provides the clamping integrity required for elevated cylinder pressures found in factory-boosted engines. Its precise bore and thickness specifications ensure proper sealing between the cylinder head and block while maintaining OEM-style coolant and oil passage alignment. Ideal for rebuilds, repairs, or performance-focused maintenance on LT4, LT1, L86, and L87 engines, this gasket offers durability, consistency, and long-term sealing performance.

• Direct OEM-Style Replacement: Replaces GM 12654622 with factory-correct dimensions for LT4, LT1, L86, and L87 engines, ensuring proper bore alignment, port layout, and sealing characteristics.
• Multi-Layer Steel Construction: Built with a high-strength MLS design that withstands elevated combustion pressures, providing consistent sealing reliability in both naturally aspirated and supercharged GEN V engines.
• Ideal for Supercharged LT4 Applications: Engineered for the demands of factory-boosted LT4 platforms, supporting stable head-to-block clamping under high temperature and high load conditions.
• Reliable Sealing for Rebuilds & Repairs: Restores proper sealing integrity around combustion chambers, coolant passages, and oil channels, reducing the risk of leaks during long-term engine operation.
• Michigan Motorsports Quality: Manufactured to precise OEM-level tolerances with premium materials, ensuring dependable cylinder sealing in performance, maintenance, or OE-style rebuild environments.