Cometic BB 4.630in Bore.080 inch Chevy Mark IV Big Block (396 / 402 / 427) MLS Head Gasket
Manufacturer:
Cometic Gasket
Article no.:
C5331-080
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Cometic BB 4.630in Bore.080 inch Chevy Mark IV Big Block (396 / 402 / 427) MLS Head Gasket
Get the ultimate sealing performance for your high-output engine with Cometic's MLS (Multi-Layer Steel) Head Gasket. This gasket is designed for Chevy Mark IV Big Block engines (396 / 402 / 427) and features a 4.630in bore diameter.
Comprised of multiple embossed layers of stainless steel with a Viton rubber coating, this gasket provides maximum sealing performance and requires no sealants. The compressed operating thickness is 0.080in, making it ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks.
- MLS gaskets have increased strength due to multiple layers of stainless steel
- Embosed and coated on both sides with Viton for heat resistance up to 250 C / 482 F
- Ideal for high-output engines and harsh sealing environments
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Chevrolet | Bel Air | 1965 | Base |
| Chevrolet | Bel Air | 1966 | Base |
| Chevrolet | Bel Air | 1967 | Base |
| Chevrolet | Bel Air | 1968 | Base |
| Chevrolet | Bel Air | 1969 | Base |
| Chevrolet | Bel Air | 1970 | Base |
| Chevrolet | Bel Air | 1971 | Base |
| Chevrolet | Bel Air | 1972 | Base |
| Chevrolet | Bel Air | 1973 | Base |
| Chevrolet | Bel Air | 1974 | Base |
| Chevrolet | Bel Air | 1975 | Base |
| Chevrolet | Biscayne | 1965 | Base |
| Chevrolet | Biscayne | 1966 | Base |
| Chevrolet | Biscayne | 1967 | Base |
| Chevrolet | Biscayne | 1968 | Base |
| Chevrolet | Biscayne | 1969 | Base |
| Chevrolet | Biscayne | 1970 | Base |
| Chevrolet | Biscayne | 1971 | Base |
| Chevrolet | Biscayne | 1972 | Base |
| Chevrolet | Blazer | 1973 | Base |
| Chevrolet | Blazer | 1974 | Base |
| Chevrolet | Brookwood | 1969 | Base |
| Chevrolet | Brookwood | 1970 | Base |
| Chevrolet | Brookwood | 1971 | Base |
| Chevrolet | Brookwood | 1972 | Base |
| Chevrolet | C10 | 1975 | Cheyenne |
| Chevrolet | C10 | 1975 | Custom Deluxe |
| Chevrolet | C10 | 1975 | Scottsdale |
| Chevrolet | C10 | 1975 | Silverado |
| Chevrolet | C10 | 1976 | Cheyenne |
| Chevrolet | C10 | 1976 | Custom Deluxe |
| Chevrolet | C10 | 1976 | Scottsdale |
| Chevrolet | C10 | 1976 | Silverado |
| Chevrolet | C10 | 1977 | Cheyenne |
| Chevrolet | C10 | 1977 | Custom Deluxe |
| Chevrolet | C10 | 1977 | Scottsdale |
| Chevrolet | C10 | 1977 | Silverado |
| Chevrolet | C10 | 1978 | Big Ten |
| Chevrolet | C10 | 1978 | Cheyenne |
| Chevrolet | C10 | 1978 | Custom Deluxe |
| Chevrolet | C10 | 1978 | Scottsdale |
| Chevrolet | C10 | 1978 | Silverado |
| Chevrolet | C10 | 1979 | Big Ten |
| Chevrolet | C10 | 1979 | Cheyenne |
| Chevrolet | C10 | 1979 | Custom Deluxe |
| Chevrolet | C10 | 1979 | Scottsdale |
| Chevrolet | C10 | 1979 | Silverado |
| Chevrolet | C10 | 1980 | Big Ten |
| Chevrolet | C10 | 1980 | Cheyenne |
| Chevrolet | C10 | 1980 | Custom Deluxe |
| Chevrolet | C10 | 1980 | Scottsdale |
| Chevrolet | C10 | 1980 | Silverado |
| Chevrolet | C10 Pickup | 1968 | Base |
| Chevrolet | C10 Pickup | 1969 | Base |
| Chevrolet | C10 Pickup | 1970 | Base |
| Chevrolet | C10 Pickup | 1971 | Base |
| Chevrolet | C10 Pickup | 1972 | Base |
| Chevrolet | C10 Pickup | 1973 | Base |
| Chevrolet | C10 Pickup | 1974 | Base |
| Chevrolet | C10 Suburban | 1968 | Base |
| Chevrolet | C10 Suburban | 1969 | Base |
| Chevrolet | C10 Suburban | 1970 | Base |
| Chevrolet | C10 Suburban | 1971 | Base |
| Chevrolet | C10 Suburban | 1972 | Base |
| Chevrolet | C10 Suburban | 1973 | Base |
| Chevrolet | C10 Suburban | 1974 | Base |
| Chevrolet | C10 Suburban | 1975 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1975 | Scottsdale |
| Chevrolet | C10 Suburban | 1975 | Silverado |
| Chevrolet | C10 Suburban | 1976 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1976 | Scottsdale |
| Chevrolet | C10 Suburban | 1976 | Silverado |
| Chevrolet | C10 Suburban | 1977 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1977 | Scottsdale |
| Chevrolet | C10 Suburban | 1977 | Silverado |
| Chevrolet | C10 Suburban | 1978 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1978 | Scottsdale |
| Chevrolet | C10 Suburban | 1978 | Silverado |
| Chevrolet | C10 Suburban | 1979 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1979 | Scottsdale |
| Chevrolet | C10 Suburban | 1979 | Silverado |
| Chevrolet | C10 Suburban | 1980 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1980 | Scottsdale |
| Chevrolet | C10 Suburban | 1980 | Silverado |
| Chevrolet | C1500 | 1990 | 454 SS |
| Chevrolet | C1500 | 1990 | Cheyenne |
| Chevrolet | C1500 | 1990 | Scottsdale |
| Chevrolet | C1500 | 1990 | Silverado |
| Chevrolet | C1500 | 1990 | WT |
| Chevrolet | C20 | 1975 | Cheyenne |
| Chevrolet | C20 | 1975 | Custom Deluxe |
| Chevrolet | C20 | 1975 | Scottsdale |
| Chevrolet | C20 | 1975 | Silverado |
| Chevrolet | C20 | 1976 | Cheyenne |
| Chevrolet | C20 | 1976 | Custom Deluxe |
| Chevrolet | C20 | 1976 | Scottsdale |
| Chevrolet | C20 | 1976 | Silverado |
| Chevrolet | C20 | 1977 | Cheyenne |
| Chevrolet | C20 | 1977 | Custom Deluxe |
| Chevrolet | C20 | 1977 | Scottsdale |
Cometic manufactures engine gaskets for both domestic and import vehicles. Gasket kits are available for both bottom end and top end for the most popular vehicles, while their MLS head gaskets are known to be some of the best in the industry. Cometic’s 70,000 square foot, state-of-the-art R&D and manufacturing facility allows them to design gaskets for engines using the latest technology, such as Multi-Layer Steel (MLS) gaskets as well as using synthetic blends such as Aramid Fiber.
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