Cometic C15522-040 MLS Cylinder Head Gasket GM Gen III/IV Bore Thick - LS1/LS2/LS3/LS6 4.080 040

The Cometic C15522-040 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS1, LS2, LS3, and LS6 Gen III and Gen IV small block V8 engines. Featuring a 4.080-inch bore and .040-inch compressed thickness, this gasket delivers exceptional sealing performance for street, performance, and racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and reliability
• 4.080-inch bore diameter optimized for LS-series engines
• .040-inch compressed thickness for precise compression ratio tuning
• Stainless steel construction resists corrosion and withstands extreme temperatures
• Embossed sealing beads provide consistent clamping force around combustion chambers and fluid passages
• Compatible with GM LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Reusable design allows for multiple installations when properly maintained

Cometic MLS head gaskets are the industry standard for high-performance engine builds, offering maximum sealing reliability under extreme cylinder pressures and temperatures. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining optimal sealing. Ideal for enthusiasts building or rebuilding LS-series engines for street performance, racing, or forced induction applications.