Cometic C9070-HB040 Twin Cam Head Gasket Kit Bore MLS - 4.060 040

The Cometic C9070-HB040 is a premium head gasket kit engineered specifically for Harley-Davidson Twin Cam engines with a 4.060" bore diameter. This complete kit includes both Multi-Layer Steel (MLS) head gaskets with a .040" thickness and .020" rocker cover gaskets, providing everything needed for a professional top-end rebuild.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.060" bore size accommodates big bore cylinder applications
• .040" compressed thickness MLS head gaskets
• .020" rocker cover (RC) gaskets included
• Engineered for high-performance and high-compression applications
• Exceeds OEM specifications for strength and reliability
• Designed to withstand extreme cylinder pressures and temperatures

Cometic's MLS head gaskets feature multiple layers of stainless steel with proprietary coatings that provide maximum sealing performance while conforming to cylinder head and block surface imperfections. The .040" thickness makes this gasket ideal for engines with increased compression ratios or those that have been machined. Perfect for performance builds, rebuilds, and racing applications on Harley-Davidson Twin Cam engines.