Cometic C5764-056 MLS Cylinder Head Gasket GM Vortec Gen VII Big Block - 8100 L18 V8

The Cometic C5764-056 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM L18 Vortec 8100 Gen-VII Big Block V8 engines. This left-hand side (LHS) gasket features a 4.280-inch bore diameter and .056-inch compressed thickness, providing a reliable seal for high-performance and heavy-duty applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 4.280-inch bore diameter engineered for GM Vortec 8100 specifications
• .056-inch compressed gasket thickness for precise compression control
• Left-hand side (LHS) configuration
• Advanced coating technology ensures optimal sealing under extreme temperatures and pressures
• Designed to withstand the demands of heavy-duty trucks, RVs, and marine applications

Cometic gaskets are renowned for their race-proven MLS technology, which incorporates multiple layers of stainless steel with proprietary coatings to create a gasket that can handle extreme cylinder pressures while maintaining a consistent seal. The embossed layers provide multiple sealing points that compensate for minor surface imperfections and thermal expansion, making this gasket ideal for both stock rebuilds and performance builds of the GM 8.1L Vortec engine.