Cometic C5751-073 GM Gen III/IV MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.060

The Cometic C5751-073 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS Gen III and Gen IV small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This precision-manufactured gasket features a 4.060-inch bore diameter and a compressed thickness of .073 inches, making it ideal for performance builds and engine rebuilds requiring reliable sealing.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.060-inch bore diameter accommodates stock and slightly overbored LS engines
• .073-inch compressed thickness provides optimal compression ratio control
• Compatible with GM LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Engineered to withstand high cylinder pressures and extreme temperatures
• Embossed stainless steel layers with advanced coating technology for enhanced sealing

Cometic's MLS head gaskets feature multiple layers of stainless steel with precision-engineered embossments that create optimal sealing stress around combustion chambers, oil passages, and coolant ports. The proprietary coating on each layer ensures excellent conformability to head and block surfaces while maintaining resilience under thermal cycling. This gasket is an excellent choice for street performance, forced induction, and racing applications where reliability is critical.