Cometic C5477-086 GM Gen III/IV MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.000

The Cometic C5477-086 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 compressed thickness of .086 inches and accommodates a 4.000-inch bore diameter, making it ideal for stock and mild performance builds.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• Compressed thickness: .086 inches (86 thousandths)
• Bore diameter: 4.000 inches
• Compatible with LS1, LS2, LS3, and LS6 engines
• Designed for GM Gen III and Gen IV small block V8 platforms
• Precision laser-cut for exact fitment and optimal sealing
• Resists combustion pressure and thermal cycling

Cometic gaskets are manufactured using advanced materials and precision manufacturing processes to ensure reliable performance in demanding applications. The MLS design provides excellent conformability to sealing surfaces while maintaining strength and durability under high cylinder pressures and temperatures. This gasket is an excellent choice for engine builders and enthusiasts seeking OEM replacement or performance upgrade options for their LS-platform engines.