Cometic C5763-089 MLS Cylinder Head Gasket GM Vortec Bore - 8100 4.450 089

The Cometic C5763-089 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM L18 Vortec 8100 Gen-VII Big Block V8 engines. This gasket features a 4.450-inch bore diameter and .089-inch compressed thickness, designed to provide superior sealing performance in high-performance and heavy-duty applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and conformability
• 4.450-inch bore diameter optimized for GM Vortec 8100 engines
• .089-inch compressed thickness for precise compression ratio tuning
• Compatible with GM L18 Vortec 8100 Gen-VII Big Block V8 engines
• Right-hand side (RHS) configuration
• Advanced coating technology prevents corrosion and ensures superior sealing
• Engineered to withstand extreme cylinder pressures and temperatures

Cometic MLS head gaskets are constructed from multiple layers of stainless steel with proprietary coatings, providing exceptional recovery and reusability characteristics. The MLS design allows the gasket to conform to minor surface imperfections while maintaining consistent clamping pressure across the entire sealing surface, making it ideal for performance builds, towing applications, and stock replacements requiring OEM-level reliability.