Cometic C9993-051 MLS Head Gasket Kit for Harley EVO/Buell 3.875" Bore

The Cometic C9993-051 is a complete Multi-Layer Steel (MLS) top end gasket kit engineered specifically for Harley-Davidson Evolution and Buell engines with a 3.875" bore. This kit features Cometic's premium .051" thick head gasket and .018" AFM (Aluminum Foam Material) base gaskets, designed to provide superior sealing and durability in high-performance applications.

Key Features:

• Multi-Layer Steel head gasket construction for maximum strength and heat resistance
• 3.875" bore size compatible with Evolution Big Twin and Buell engines
• .051" head gasket thickness for precise compression control
• .018" AFM base gaskets provide excellent sealing properties
• Complete top end gasket kit includes all necessary gaskets for cylinder head installation
• Manufactured to OEM specifications with enhanced sealing technology

Cometic MLS gaskets are constructed with multiple layers of stainless steel, featuring embossed sealing beads that create a superior seal under extreme temperatures and pressures. The AFM base gaskets utilize aluminum foam material bonded to a steel core, offering exceptional conformability to sealing surfaces while maintaining structural integrity. This kit is ideal for engine rebuilds, performance upgrades, or racing applications where reliable sealing is critical.