Cometic C5318-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160 045

The Cometic C5318-045 is a 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 precision gasket features a 4.160-inch bore diameter and .045-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring reliable sealing under high combustion pressures.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability
• 4.160-inch bore diameter accommodates standard and mildly overbored LS engines
• .045-inch compressed thickness for precise compression ratio tuning
• Compatible with LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Engineered to withstand high cylinder pressures in performance applications
• Embossed stainless steel layers with Viton rubber coating for optimal sealing

Cometic MLS head gaskets are a proven choice for performance engine builders, offering exceptional resistance to blowout and the ability to withstand extreme temperatures and pressures. The multi-layer design allows the gasket to conform to imperfections in sealing surfaces while maintaining consistent clamping force across the entire bore.