Cometic C5083-040 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.510

The Cometic C5083-040 is a multi-layer steel (MLS) cylinder head gasket engineered specifically for GM Generation V and VI Big Block V8 engines. This precision-manufactured gasket features a 4.510-inch bore diameter and a compressed thickness of .040 inches, providing an optimal seal between the cylinder head and engine block.

Key Features:

• Multi-layer steel construction for superior sealing and durability
• 4.510-inch bore diameter designed for performance applications
• .040-inch compressed thickness for precise compression ratio tuning
• Engineered for GM Gen V and Gen VI Big Block V8 engines
• Resistant to extreme temperatures and combustion pressures
• Eliminates the need for additional sealants

Cometic MLS gaskets feature multiple layers of stainless steel with a Viton rubber coating, providing maximum sealing performance in high-performance and racing applications. The embossed layers allow the gasket to adapt to minor surface imperfections while maintaining consistent clamping pressure across the entire sealing surface. This gasket is ideal for engine builds requiring precise compression control and reliable sealing under extreme conditions.