Cometic C5329-030 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.375

The Cometic C5329-030 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Mark IV Big Block V8 engines with a 4.375-inch bore diameter. This gasket features a compressed thickness of .030 inches, making it ideal for high-performance applications and custom engine builds requiring precise deck height adjustments.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
• 4.375-inch bore diameter designed for standard and performance Mark IV Big Block applications
• .030-inch compressed thickness allows for fine-tuning compression ratios and deck clearances
• Engineered to withstand high combustion pressures and temperatures in performance environments
• Exceeds OEM specifications for racing, street performance, and forced induction applications
• Compatible with aluminum and cast iron cylinder heads

Cometic Gaskets are manufactured using advanced materials and precision manufacturing processes to ensure consistent quality and reliable performance. The MLS design features multiple layers of stainless steel with specialized coatings that conform to surface imperfections while maintaining excellent recovery properties. This gasket is an essential component for engine builders seeking maximum reliability in demanding performance applications including street/strip, road racing, and boost applications.