

Specifications
- Brand
- Cometic Gasket
- Part #
- C4306-075
- UPC
- 191070066987

Cometic Jaguar 3.8L XK6 .075in MLS Cylinder Head Gasket - 89mm Bore
$198.91
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Fits 1958-1961 Jaguar XK150. Cometic 3.8L XK6 MLS head gasket with 89mm bore and 0.075in thickness for reliable sealing.
Key Features
- Fits 1958-1961 Jaguar XK150, 1959-1961 Jaguar Mark IX, and 1962-1964 Jaguar Mark X.
- Multi-layer steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are embossed and coated with Viton, a heat-resistant elastomer rated up to 482°F (250°C).
- Center shim layer is uncoated stainless steel, allowing for varied thickness requirements.
- Compressed thickness is 0.075 inches with an 89mm bore.
- Designed for high-output engines and requires no additional sealants.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Fits these vehicles
- Jaguar Mark IX 1959-1961
- Jaguar Mark X 1962-1964
- Jaguar XK150 1958-1961
Product Details
Cometic Gasket is known for making well-built sealing components, and this Multi-Layer Steel (MLS) cylinder head gasket is a prime example. If you're working on your Jaguar's 3.8L XK6 engine, specifically for models like the XK150, Mark IX, or Mark X, this gasket is designed to provide a strong seal between your cylinder head and engine block.
This gasket uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C), making it suitable for demanding sealing environments. The center layer is stainless steel and can be varied in thickness to meet specific requirements; in this case, it's set to a compressed thickness of 0.075 inches with an 89mm bore, ensuring a precise fit for your engine. Because it's an MLS gasket, it doesn't require any additional sealants and works well with both aluminum and cast iron blocks.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4306-075
- UPC
- 191070066987
Frequently Asked Questions
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Cometic Jaguar 3.8L XK6 .075in MLS Cylinder Head Gasket - 89mm Bore


