

Specifications
- Brand
- Cometic Gasket
- Part #
- C4128-030
- UPC
- 191070085575

Cometic Jaguar 1973-1992 4.2L XK6 .030in MLS Cylinder Head Gasket - 3.670in Bore
$234.76
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Fits 1972-1987 Jaguar XJ6. Cometic MLS head gasket with Viton coating for improved sealing.
Key Features
- Fits 1972-1987 Jaguar XJ6 and 1982-1987 Jaguar Vanden Plas.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated with Viton, a heat-resistant elastomer rated up to 482°F (250°C).
- Compressed thickness is 0.030 inches.
- Bore size is 3.670 inches, suitable for the 4.2L XK6 engine.
- Designed for use with aluminum or cast iron engine blocks and heads.
⚠️ 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 Vanden Plas 1982-1987
- Jaguar XJ6 1972-1987
Product Details
This Cometic Multi-Layer Steel (MLS) head gasket is built with embossed stainless steel layers, featuring an outer coating of Viton rubber. This construction is designed to handle the high output of modern engines and provides a reliable seal without needing additional sealants. It's suitable for combinations of aluminum and cast iron engine blocks and heads, as it can manage the shearing forces that arise between these different materials.
The gasket has a compressed thickness of 0.030 inches and a bore size of 3.670 inches, specifically made for the 4.2L XK6 engine found in certain Jaguar models. The Viton coating on the outer layers is heat resistant up to 482 degrees Fahrenheit, making it capable of withstanding harsh sealing environments and various load conditions. The center layer is uncoated stainless steel, allowing for precise thickness adjustments to meet specific engine requirements.
This gasket is a solid option for rebuilding the top end of your Jaguar XJ6 or Vanden Plas from 1972 through 1987. It's a well-built component designed for longevity and consistent performance.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4128-030
- UPC
- 191070085575
Frequently Asked Questions
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Cometic Jaguar 1973-1992 4.2L XK6 .030in MLS Cylinder Head Gasket - 3.670in Bore


