Cometic C10086-018 MLS Head Gasket for Harley Twin-Cooled 4.125" Bore .018" Thick

The Cometic C10086-018 is a Multi-Layer Steel (MLS) head gasket engineered specifically for Harley-Davidson Twin-Cooled engines from 2014 and later. Designed with a 4.125-inch bore diameter and .018-inch compressed thickness, this gasket delivers exceptional sealing performance for high-performance and stock applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 4.125-inch bore diameter for proper cylinder sealing
• .018-inch compressed thickness for precise compression ratio control
• Engineered specifically for 2014-up Harley-Davidson Twin-Cooled engines
• Advanced gasket technology resists combustion pressure and thermal cycling
• Provides consistent clamping pressure across the entire sealing surface

Cometic gaskets feature multiple layers of stainless steel with specialized coatings that accommodate engine movement and thermal expansion while maintaining a reliable seal. This MLS design is ideal for both street and performance applications, offering excellent resistance to blowout and superior torque retention compared to traditional composite gaskets.