Cometic C4128-086 MLS Cylinder Head Gasket for Jaguar - 4.2L XK6

The Cometic C4128-086 is a multi-layer steel (MLS) cylinder head gasket engineered specifically for Jaguar 4.2L XK6 engines from 1973-1992. This precision-manufactured gasket features Cometic's proven MLS construction for superior sealing performance and durability in demanding applications.

Key Specifications:

• Bore size: 3.670 inches
• Compressed thickness: .086 inches (86 thousandths)
• Multi-layer steel construction for maximum reliability
• Application-specific design for Jaguar XK6 inline-6 engines
• Compatible with 1973-1992 Jaguar 4.2L XK6 engines

Multi-Layer Steel Technology:

Cometic's MLS gaskets feature multiple layers of stainless steel with proprietary coatings that provide exceptional conformability to sealing surfaces. The embossed active sealing beads around combustion chambers, coolant passages, and oil ports ensure reliable sealing under extreme cylinder pressures and temperatures. MLS gaskets are ideal for both stock rebuilds and performance applications, offering superior resistance to blow-out compared to traditional composite gaskets.

This gasket is designed as a direct replacement for the original equipment head gasket in Jaguar XK6 engines, providing OE-level fit and performance with the added benefits of modern MLS technology.