Cometic C5477-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.000

The Cometic C5477-092 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS Gen-3 and Gen-4 small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This precision-manufactured gasket features a 4.000-inch bore diameter and .092-inch compressed thickness, providing exceptional sealing performance for both stock and modified engines.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 4.000-inch bore diameter accommodates standard LS engine bore sizes
• .092-inch (2.34mm) compressed gasket thickness
• Designed for GM Gen-3 and Gen-4 LS engines (LS1, LS2, LS3, LS6)
• High-temperature resistant coating ensures reliable sealing under extreme conditions
• Engineered to handle high compression and forced induction applications

Cometic's MLS head gaskets utilize multiple layers of stainless steel with a proprietary coating system that provides excellent rebound characteristics and maintains clamping force throughout the engine's temperature cycling. This design effectively seals combustion pressure, oil, and coolant passages while accommodating minor surface irregularities. Ideal for performance builds, boost applications, and engine rebuilds where reliability is critical.