Cometic C5764-066 MLS Cylinder Head Gasket GM Vortec Gen-VII Big Block - 8100 L18 V8

The Cometic C5764-066 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the GM Vortec 8100 L18 Gen-VII Big Block V8 engine. This precision-manufactured gasket features a .066-inch compressed thickness and 4.280-inch bore diameter, designed for the left-hand side (LHS) cylinder head application.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .066-inch (1.68mm) compressed gasket thickness
• 4.280-inch bore diameter optimized for GM Vortec 8100 engines
• Left-hand side (LHS) cylinder head application
• Advanced material composition resists corrosion and extreme temperatures
• Engineered for GM Gen-VII Big Block V8 performance applications

Cometic MLS gaskets utilize multiple layers of stainless steel with engineered coatings to provide exceptional combustion sealing, even under high cylinder pressures and extreme operating conditions. The gasket's design allows for minor surface imperfections while maintaining reliable seal integrity, making it ideal for both OEM replacement and performance build applications on GM 8.1L Vortec engines found in heavy-duty trucks, RVs, and marine applications.