Cometic C10321-051 MLS Head Gasket Set 4.375" Bore .051" Thick Pair

The Cometic C10321-051 is a pair of high-performance Multi-Layer Steel (MLS) cylinder head gaskets featuring a 4.375-inch bore diameter and .051-inch compressed thickness. Engineered for demanding applications, these gaskets deliver superior sealing performance for both aluminum-to-aluminum and aluminum-to-cast iron block configurations.

Key Features:

• Multi-Layer Steel construction with multiple embossed layers of stainless steel
• 4.375-inch bore diameter for precise fitment
• .051-inch compressed thickness for optimal compression control
• Proprietary high-temperature coating on outer layers
• Requires less clamp load while reducing bore distortion
• Superior rebound characteristics and corrosion resistance
• No sealants required for installation
• Sold as a pair for complete engine coverage

Cometic MLS gaskets feature load-controlled embossments that conform load distribution across the sealing area, meeting the demands of high-output engines with extreme cylinder pressures and temperatures. Proudly manufactured in the USA with premium stainless steel materials, these gaskets provide championship-winning reliability for street and racing applications.