Cometic C5751-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

The Cometic C5751-070 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 gasket features a 4.060-inch bore diameter and a compressed thickness of .070 inches, making it ideal for both stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme cylinder pressures
• 4.060-inch bore diameter accommodates standard and slightly oversized cylinder bores
• .070-inch compressed thickness allows for precise compression ratio tuning
• Engineered for GM LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Resistant to coolant and combustion gas leakage with advanced sealing technology
• Embossed sealing beads provide optimal clamping pressure distribution

Cometic MLS head gaskets are a trusted choice among engine builders and performance enthusiasts for their exceptional quality and reliability. The multi-layer design allows for slight movement between layers, which accommodates thermal expansion and engine block/head movement while maintaining a consistent seal. Perfect for street performance, racing, and demanding high-boost applications.