Cometic C9951-054 EST Top End Gasket Kit 3.875" Bore .054" Head Gasket Twin Cam

The Cometic C9951-054 EST Top End Gasket Kit is engineered for Harley-Davidson Twin Cam engines with 95 cubic inch (1550cc) big bore configurations using a 3.875" bore diameter. This complete kit features Cometic's Extreme Sealing Technology (EST) with a .054" thick head gasket for precise compression control.

EST Technology Features:

• Embossed stainless steel head, base, and rocker gaskets covered with proprietary rubber material
• Advanced head gasket material draws heat away from the combustion ring and dissipates it evenly across the gasket surface
• Eliminates hot spots and prevents gasket failure in high-performance applications
• Non-asbestos flexible aramid fiber laminated to stainless steel core construction
• Impervious to fuels, coolants, and oils

Complete Top End Solution:

• Includes all necessary gaskets, seals, and O-rings to rebuild from cylinder base upward
• .054" thick MLS (Multi-Layer Steel) head gasket for big bore applications
• 3.875" bore diameter for 95" (1550cc) displacement
• Fits 1999-2016 Harley-Davidson Twin Cam engines with big bore kits

Manufactured in the USA with American-made materials, Cometic gaskets are trusted by professional racers and performance enthusiasts worldwide for their reliability under extreme conditions.