Cometic C5082-040 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.500

The Cometic C5082-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Generation V and Generation VI Big Block V8 engines. This precision-manufactured gasket features a 4.500-inch bore diameter and a .040-inch compressed thickness, providing an optimal seal between the cylinder head and engine block.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .040-inch compressed gasket thickness for precise compression ratio tuning
• 4.500-inch bore diameter designed for GM Big Block applications
• Compatible with GM Gen V and Gen VI Big Block V8 engines
• Engineered to withstand extreme cylinder pressures and temperatures
• Embossed stainless steel layers with advanced coating technology

Cometic's MLS head gaskets feature multiple layers of stainless steel with proprietary coatings that provide excellent recovery and conformability. The gasket's construction allows it to rebound and maintain sealing pressure under the demanding conditions of high-performance and racing applications, making it ideal for naturally aspirated, supercharged, and turbocharged engine builds.