Cometic C5475-086 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

The Cometic C5475-086 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 applications. This gasket features a 3.910-inch bore diameter and a compressed thickness of .086 inches (86 thousandths), making it ideal for performance builds requiring precise compression control.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme conditions
• 3.910-inch bore diameter accommodates stock and mild performance builds
• .086-inch compressed thickness for precision compression ratio tuning
• Compatible with LS1, LS2, LS3, and LS6 Gen III and Gen IV small block engines
• Embossed stainless steel layers with Viton rubber coating ensure reliable combustion sealing
• Designed to handle high cylinder pressures in boosted and naturally aspirated applications
• Reusable design allows for multiple assembly cycles during engine builds

Cometic Gaskets are trusted by professional engine builders and performance enthusiasts worldwide for their precision manufacturing and race-proven reliability. This MLS head gasket eliminates the common failure points of traditional composite gaskets while maintaining excellent sealing properties across a wide temperature range.