Cometic C5751-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060 051

The Cometic C5751-051 is a premium 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 variants. This gasket features a 4.060-inch bore diameter and .051-inch compressed thickness, making it ideal for stock and mildly built street engines.

Key Features:

• Multi-layer steel construction provides superior sealing and durability
• 4.060" bore diameter accommodates stock and slightly overbored LS engines
• .051" compressed thickness for precise compression ratio tuning
• Compatible with LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Embossed stainless steel outer layers with elastomeric coating for optimal sealing
• Designed to withstand extreme cylinder pressures and temperatures
• Reusable design allows for multiple installations when proper procedures are followed

Cometic MLS gaskets are the preferred choice for performance builders who demand exceptional sealing under high-stress conditions. The advanced multi-layer design allows the gasket to micro-adapt to sealing surfaces, providing superior combustion sealing while accommodating thermal expansion and minor surface imperfections. Sold individually.