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  See more parts for Jaguar Mark VII
Select the year of your Jaguar Mark VII:
Cometic Gasket Jaguar 3.4L XK6 .040" MLS Cylinder Head Gasket, Fits Multiple Models - C4303-040

If you’re working on a classic Jaguar 3.4L XK6 engine, you know how crucial it is to have a solid cylinder head gasket. This Cometic Gasket is made from multi-layer steel, which is a pretty reliable choice for sealing up those head bolts and keeping your engine running smooth. At 0.040 inches thick and with an 85mm bore, it’s designed to fit snugly in your engine without any fuss.

Now, let’s talk fitment. This gasket works for a variety of classic models, including:

  • Jaguar Mark VII (1951-1957)
  • Jaguar Mark VIII (1957-1958)
  • Jaguar XK120 (1949-1953)
  • Jaguar XK140 (1955-1957)
  • Jaguar XK150 (1958-1961)

It fits both the left and right sides, so you can tackle either head without worrying about mismatches. A quality gasket like this one can make a big difference in preventing leaks and keeping your compression where it needs to be. Just a heads up, though: make sure to check your engine's specific needs before diving in, as every little detail counts when you're dealing with these classic beauties.

And, of course, it's got the Prop 65 warning, so keep that in mind while you're working. But hey, if you're restoring or maintaining one of these iconic Jaguars, you want the best parts, right? This gasket is definitely a solid choice.

Other Part Numbers:
Cometic Gaskets #cgsC4303-040

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Jaguar Mark VII 1951-1955 Base
Jaguar Mark VII 1955-1957 M
Jaguar Mark VIII 1957-1958 Base
Jaguar XK120 1949-1953 Base
Jaguar XK120 1952-1953 M
Jaguar XK140 1955-1957 MC
Jaguar XK140 1955-1957 Base
Jaguar XK140 1955-1957 M
Jaguar XK150 1958-1961 Base
Jaguar XK150 1958-1961 S

Cometic Gaskets Banner

Who is Cometic?

Cometic is a company known for manufacturing gaskets and engine seals for different engines. They cater to various industries such as the marine, industrial, agricultural, and automotive sectors. The company was established back in 1989 and has since provided high performance sealing solutions worldwide.

Motorsport Participation

The company is considered as the leading supplier when it comes to gaskets and seals worldwide. They have provided high-performance gaskets in various racing events such as NASCAR, GNCC, and AMA. They helped top racing teams compete at the highest level by improving engine reliability.

Built for Extreme Performance

Whether you are into endurance races at more than 220mph or setting the fastest drag records in 2000 hp top fuel race cars, Cometic has the right product for you. They design their products to withstand extreme temperatures and pressures. Hence, they are the brand chosen by the best in motorsports.

Best Value of Product

Cometic has always been dedicated to providing high-quality products that provide customer satisfaction. They have always given their customers the best product at the most competitive price. 

Quality in Every Product

The company is housed in a 70,000 square foot facility with state-of-the-art manufacturing equipment that helps them create products that are superior compared to its competitors. Using premium materials, they are able to develop gaskets that provide proper seals every time. 

Purchase Cometic Products at Vivid Racing

If you are in search of a high-quality gasket for your engine, then Cometic is the brand for you. Designed for OEM or high-performance applications, Cometic has got you covered. To know more about them, visit Vivid Racing and check out their list of products that fit your needs.












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