Cometic C9926-E040 MLS Top End Gasket Kit 4.250" Bore .040" Head Gasket

The Cometic C9926-E040 is a complete Multi-Layer Steel (MLS) top end gasket kit engineered for high-performance applications with a 4.250" bore diameter. This kit features Cometic's proven MLS technology that provides superior sealing and durability under extreme cylinder pressures and temperatures.

Kit Includes:

• .040" compressed thickness MLS head gasket for precise compression ratio tuning
• .020" base gasket for optimal sealing at the cylinder-to-crankcase junction
• Additional top end sealing components as specified for complete engine rebuild

Key Features:

• Multi-Layer Steel construction with multiple layers of stainless steel for maximum strength
• 4.250" cylinder bore diameter accommodates performance big bore applications
• .040" head gasket thickness allows for compression ratio adjustment
• Viton rubber gasket sealing beads resist high temperatures and aggressive fuels
• Embossed sealing beads concentrate pressure at critical sealing points
• Eliminates the need for sealants or re-torquing

Cometic gaskets are designed and manufactured in the USA using advanced materials and precision manufacturing processes. This gasket kit is ideal for performance engine builds, rebuilds, and racing applications where reliable sealing under extreme conditions is essential.