Cometic C4128-040 MLS Cylinder Head Gasket for Jaguar - 4.2L XK6

The Cometic C4128-040 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Jaguar XK6 engines from 1973-1992. This precision gasket features a .040" compressed thickness and is designed for 3.670" bore applications, making it ideal for both stock rebuilds and performance applications on the classic 4.2-liter inline-six engine.

Key Features:

• Multi-Layer Steel construction for superior sealing and durability
• .040" (1.02mm) compressed thickness provides optimal compression ratio control
• 3.670" bore diameter designed for Jaguar 4.2L XK6 specifications
• Engineered to handle extreme cylinder pressures in performance builds
• Compatible with Jaguar XK6 engines from 1973 through 1992
• Cometic's MLS technology eliminates the need for additional sealants

Cometic MLS head gaskets are constructed from multiple layers of stainless steel, providing exceptional resistance to heat, pressure, and engine movement. The embossed sealing beads around combustion chambers and coolant passages ensure a reliable seal even in demanding applications. This gasket is an excellent choice for engine rebuilders, performance enthusiasts, and restoration projects requiring precision sealing for classic Jaguar powerplants.