Cometic C4306-030 MLS Cylinder Head Gasket for Jaguar Engine - 3.8L XK6

The Cometic C4306-030 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the Jaguar 3.8L XK6 inline-six engine. This precision gasket features an 89mm bore diameter and a compressed thickness of .030 inches, providing an excellent sealing solution for both stock and performance applications.

Key Features:

• Multi-Layer Steel construction for superior sealing and durability
• 89mm bore diameter designed for Jaguar XK6 engine specifications
• .030" (0.76mm) compressed gasket thickness
• Advanced MLS technology with multiple layers of stainless steel
• Excellent resistance to high temperatures and combustion pressures
• Viton rubber coating for enhanced sealing properties
• Ideal for both OEM replacement and performance engine builds

Cometic's MLS gaskets are constructed from multiple layers of stainless steel with a Viton rubber coating that provides superior rebound characteristics and maintains torque retention over time. The embossed design ensures proper load distribution and sealing around the combustion chamber, water passages, and oil galleries. This gasket is a direct replacement for vintage Jaguar XK6 engines found in classic E-Types, XK150s, and Mark series sedans from the 1960s.

For optimal performance and longevity, ensure cylinder head and block surfaces are properly prepared with a minimum surface finish of 50 RA or smoother. Follow manufacturer's torque specifications and sequence during installation.