Cometic C5850-066 GM Pro Stock MLS Head Gasket Bore - 800 V8 4.755 066

The Cometic C5850-066 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM 800 Pro Stock V8 racing engines. This precision-manufactured gasket features a 4.755-inch bore diameter and .066-inch compressed thickness, designed to withstand the extreme cylinder pressures and temperatures found in professional racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and superior sealing
• 4.755-inch bore diameter optimized for Pro Stock engine builds
• .066-inch (1.68mm) compressed thickness for precise compression ratio tuning
• Designed specifically for GM 800 cubic inch Pro Stock V8 engines
• Engineered to handle extreme cylinder pressures in racing conditions
• Provides excellent combustion sealing and blow-out resistance

Cometic gaskets are manufactured using advanced materials and processes to ensure consistent quality and performance. The MLS design allows the gasket to conform to cylinder head and block surfaces while maintaining its sealing integrity under extreme racing conditions. This gasket is ideal for professional racing teams and serious engine builders working with GM Pro Stock V8 powerplants.