Cometic C5789-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.125

The Cometic C5789-027 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM LS Gen III and Gen IV small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This gasket features a .027" compressed thickness and is designed for engines with a 4.125" bore diameter, making it ideal for use with Darton MID (Multiple Interlocking Design) cylinder sleeves.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme conditions
• .027" compressed thickness for precise deck clearance control
• 4.125" bore diameter engineered for optimal combustion chamber sealing
• Specifically designed for use with Darton MID sleeve applications
• Compatible with GM LS1, LS2, LS3, LS6, and other Gen III/IV small block V8 engines
• Cometic's MLS technology accommodates thermal expansion and engine movement
• Embossed stainless steel layers with Viton rubber sealing beads

Cometic gaskets are manufactured to exacting standards and provide the reliability demanded by high-performance and racing applications. The MLS design ensures consistent clamping pressure across the entire sealing surface, making this gasket suitable for both naturally aspirated and forced induction builds.