Cometic C10138 EST Top End Gasket Kit Bore MLS Head Gasket - 4.0 040

The Cometic C10138 EST Top End Gasket Kit is engineered specifically for Harley-Davidson Twin Cam CVO 110 engines with a 4.0-inch bore. This comprehensive kit provides all the essential gaskets needed for top end rebuilds and big bore conversions, making it an ideal choice for both performance upgrades and routine maintenance.

Key Features:

• Multi-Layer Steel (MLS) head gasket with .040-inch compressed thickness for superior sealing under extreme pressure
• Complete top end gasket set includes cylinder head gaskets, base gaskets, and all necessary O-rings
• Compatible with both air-cooled and Twin Cooled Twin Cam engines from 2007-2016
• Precision-engineered for 4.0-inch (110 cubic inch) bore applications
• Features Cometic's proprietary Load Control Embossments (LCE) technology for even torque distribution
• Manufactured in the USA from premium stainless steel materials

Cometic's MLS gasket technology utilizes multiple embossed layers of high-temperature coated stainless steel to promote consistent torque loading across the sealing surface. This advanced design reduces bore distortion and improves piston ring seal, resulting in better compression and increased power output. The EST (Engine Sealing Technology) kit includes every gasket required for a professional top end assembly.