Cometic C15656-040 GM Gen V/VI Big Block Cylinder Head Gasket Bore - V8 4.560

The Cometic C15656-040 is a high-performance Multi-Layer Steel (MLX) cylinder head gasket engineered specifically for GM Generation V and VI Big Block V8 engines. This precision-manufactured gasket features a 4.560-inch bore diameter and .040-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring reliable sealing under extreme conditions.

Key Features:

• Multi-Layer Steel (MLX) construction provides superior sealing and durability
• 4.560-inch bore diameter designed for GM Big Block V8 applications
• .040-inch compressed gasket thickness for precise compression control
• Compatible with GM Generation V and VI Big Block engines
• Engineered to withstand high combustion pressures and temperatures
• Embossed stainless steel layers with advanced coating technology

Cometic's MLX gaskets feature multiple layers of stainless steel with proprietary coatings that create a superior seal between the cylinder head and engine block. The .040-inch thickness allows engine builders to fine-tune compression ratios for optimal performance. Each gasket is manufactured using advanced materials and processes to ensure consistent quality and reliable sealing in high-performance and racing applications.