Cometic C4303-086 MLS Cylinder Head Gasket for Jaguar Engine - 3.4L XK6

The Cometic C4303-086 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for the Jaguar 3.4L XK6 inline-six engine. This high-performance gasket features an 85mm bore diameter and 0.086-inch compressed thickness, providing exceptional sealing and durability for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and combustion containment
• 0.086-inch (2.18mm) compressed gasket thickness
• 85mm bore diameter engineered for Jaguar XK6 cylinder dimensions
• Accommodates thermal expansion and cylinder head movement
• Embossed stainless steel layers with elastomeric coating
• Excellent for street performance and racing applications
• Reduces bore distortion and maintains proper seal under high cylinder pressures

Cometic's MLS gaskets utilize multiple layers of stainless steel with specialized coatings to create a gasket that rebounds and seals better than conventional composite gaskets. The embossed active sealing area ensures reliable sealing around combustion chambers, coolant passages, and oil galleries. This gasket is ideal for enthusiasts restoring or upgrading classic Jaguar XK engines found in iconic models like the XK140, XK150, and early Mark series sedans.