If you're looking for a head gasket that can really take the heat, the Cometic MLS (Multi-Layer Steel) Head Gasket has got you covered. I’ve been using these gaskets in my builds, and let me tell you, they deliver some serious sealing performance, especially for high-output engines. No need for sealants here—just install and go.
What I love about these MLS gaskets is their versatility. They work perfectly whether you're pairing aluminum heads with aluminum blocks or mixing it up with cast iron. The shearing forces between these materials can be brutal, but these gaskets stand strong thanks to their multiple layers of stainless steel. This design not only boosts strength but also allows for a bit of rebound, which is crucial in high-stress environments.
Now, let’s talk about the materials. The outer layers are embossed and coated with Viton, a tough flouroelastomer that can handle temperatures up to 482°F (250°C). This stuff is built to withstand the harshest sealing conditions, so you can trust it to keep everything tight and leak-free. Inside, you’ve got an uncoated stainless steel shim layer that can be adjusted for various thickness needs, making it super adaptable for different setups.
Here are some quick specs to keep in mind:
One thing to keep in mind is that while these gaskets are designed for universal fitment, it’s always a good idea to double-check compatibility with your specific vehicle. A little research goes a long way in ensuring you’ve got the right part for your ride.
So, if you’re in the market for a reliable head gasket that won’t let you down, give the C4318-066 Cometic Gasket a shot. It’s been a game-changer for me, and I think you’ll appreciate the performance boost it brings to your engine.
Other Part Numbers:
Cometic Gaskets #cgC4318-066
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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 ParticipationThe 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 PerformanceWhether 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 ProductCometic 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 ProductThe 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 RacingIf 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.