Cometic C9985-051 MLS Head Gasket Set Bore Harley-Davidson - 3.625 051 1966-1984

The Cometic C9985-051 is a premium Multi-Layer Steel (MLS) head gasket set designed for Harley-Davidson motorcycles from 1966 to 1984. This two-pack features a 3.625-inch (3 5/8") bore diameter with a compressed thickness of .051 inches, providing exceptional sealing performance for your Big Twin engine.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 3.625" bore diameter designed for stock and slightly overbored cylinders
• .051" compressed gasket thickness for precise compression ratio tuning
• Includes two head gaskets for complete top-end rebuild
• Designed for Harley-Davidson Shovelhead and Ironhead Sportster applications (1966-1984)
• Premium gasket coating ensures optimal sealing under extreme temperatures and pressures

Cometic gaskets are engineered using advanced materials and manufacturing processes to provide a reliable, reusable seal that can withstand the demanding conditions of high-performance and stock engines. The MLS design allows for superior engine movement tolerance while maintaining compression integrity, making these gaskets ideal for both street and performance applications.