

Specifications
- Brand
- Cometic Gasket
- Part #
- C4128-040
- UPC
- 191070023102

Cometic Jaguar 1973-1992 4.2L XK6 .040in 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 reliable sealing.
Key Features
- Fits 1972-1987 Jaguar XJ6, 1968-1971 Jaguar XJ, 1968 Jaguar 420, 1982-1987 Jaguar Vanden Plas, and 1968-1971 Jaguar XKE.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated on both sides with Viton, a heat-resistant elastomer rated up to 482°F (250°C).
- Compressed thickness is 0.040 inches.
- Bore diameter is 3.670 inches.
- Designed for high-output engines and does not require 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
Product Details
Cometic Gasket is known for making well-built sealing components, and this Multi-Layer Steel (MLS) head gasket is a prime example. If you're working on your 1972-1987 Jaguar XJ6 with the 4.2L XK6 engine, this gasket is designed to provide a strong seal for your cylinder head. It's built with multiple layers of stainless steel, which gives it increased strength and resistance to corrosion, while also allowing it to rebound and maintain its seal under stress.
This gasket features outer layers coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C). This coating is applied to both sides and helps ensure a reliable seal, even with different block and head materials like aluminum to cast iron. The center layer is uncoated stainless steel, and the overall compressed thickness is 0.040 inches with a 3.670-inch bore, making it a direct fit for the specified Jaguar models. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying the installation process.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4128-040
- UPC
- 191070023102
Frequently Asked Questions
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Cometic Jaguar 1973-1992 4.2L XK6 .040in MLS Cylinder Head Gasket - 3.670in Bore


