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If you're diving into the world of classic Chevys, you know that keeping that big block V8 running smoothly is key. This Chevrolet Mark-IV Big Block V8 .040" MLS Cylinder Head Gasket is a solid choice for anyone looking to maintain or upgrade their engine. With a bore size of 4.630, it’s designed to handle the power and heat that comes with these beasts.
Now, let's talk fitment. This gasket is compatible with a whole range of classic Chevys, from the 1965 Bel Air to the 1976 Impala, and even the 1973 Blazer. So whether you're restoring a Camaro or keeping your Chevelle on the road, this gasket has you covered. It's perfect for those rebuilding their engines or just replacing worn-out parts.
One of the standout features of this gasket is its multi-layered steel (MLS) construction. This means it’s built to withstand high pressures and temperatures, making it a reliable choice for performance builds. Plus, it helps prevent leaks, which is a common headache for anyone working on these older engines. And if you’re wondering about clearances, you can expect it to fit snugly without any major modifications.
Just a heads-up, though—if you’re running a high-performance setup, make sure to check your compression and head specs to ensure everything lines up. But for most stock and mildly modified builds, this gasket should fit right in without any fuss.
So, if you're ready to get your classic Chevy back on the road with confidence, grab this Mark-IV Big Block V8 Cylinder Head Gasket. It’s a no-nonsense part that’ll help you keep that vintage power alive.
Other Part Numbers:
Cometic Gaskets #cgsC5434-040
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Bel Air | 1965-1975 | Base |
| Chevrolet Biscayne | 1965-1972 | Base |
| Chevrolet Blazer | 1973-1974 | Base |
| Chevrolet Brookwood | 1969-1972 | Base |
| Chevrolet C10 Pickup | 1968-1974 | Base |
| Chevrolet C10 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet C1500 | 1990 | WT |
| Chevrolet C1500 | 1990 | Scottsdale |
| Chevrolet C1500 | 1990 | 454 SS |
| Chevrolet C1500 | 1990 | Base |
| Chevrolet C1500 | 1990 | Cheyenne |
| Chevrolet C1500 | 1990 | Silverado |
| Chevrolet C20 | 1986 | Scottsdale |
| Chevrolet C20 | 1986 | Cheyenne |
| Chevrolet C20 | 1986 | Custom |
| Chevrolet C20 | 1986 | Base |
| Chevrolet C20 | 1986 | Silverado |
| Chevrolet C20 Pickup | 1968-1974 | Base |
| Chevrolet C20 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet C30 | 1975-1982 | Base |
| Chevrolet C30 | 1975-1982 | Scottsdale |
| Chevrolet C30 | 1975-1981 | Cheyenne |
| Chevrolet C30 | 1975-1982 | Silverado |
| Chevrolet C30 | 1975-1980 | Custom Deluxe |
| Chevrolet C30 | 1981-1982 | Custom |
| Chevrolet C30 | 1981 | Deluxe |
| Chevrolet C30 Pickup | 1968-1974 | Base |
| Chevrolet Camaro | 1967-1972 | RS |
| Chevrolet Camaro | 1967-1972 | Z28 |
| Chevrolet Camaro | 1967-1972 | SS |
| Chevrolet Camaro | 1967-1972 | Base |
| Chevrolet Caprice | 1966-1972 | Base |
| Chevrolet Caprice | 1973-1976 | Classic |
| Chevrolet Caprice | 1973-1974 | Estate |
| Chevrolet Caprice | 1975 | Estate Wagon |
| Chevrolet Caprice | 1975-1976 | Classic Sport |
| Chevrolet Caprice | 1976 | Classic Landau |
| Chevrolet Caprice | 1976 | Classic Estate |
| Chevrolet Chevelle | 1965-1969 | 300 Deluxe |
| Chevrolet Chevelle | 1965 | Malibu Super Sport |
| Chevrolet Chevelle | 1965-1975 | Malibu |
| Chevrolet Chevelle | 1965-1968 | 300 |
| Chevrolet Chevelle | 1966 | Super Sport 396 |
| Chevrolet Chevelle | 1967-1970 | SS 396 |
| Chevrolet Chevelle | 1967-1972 | Concours |
| Chevrolet Chevelle | 1968-1972 | Nomad |
| Chevrolet Chevelle | 1968 | Nomad Custom |
| Chevrolet Chevelle | 1969-1972 | Greenbrier |
| Chevrolet Chevelle | 1969-1972 | Concours Estate |
| Chevrolet Chevelle | 1970-1972 | Base |
| Chevrolet Chevelle | 1971-1972 | SS |
| Chevrolet Chevelle | 1973 | Laguna Estate |
| Chevrolet Chevelle | 1973 | Laguna |
| Chevrolet Chevelle | 1973 | Deluxe |
| Chevrolet Chevelle | 1973 | Malibu Estate |
| Chevrolet Chevelle | 1974-1975 | Laguna Type S-3 |
| Chevrolet Chevelle | 1974-1975 | Malibu Classic |
| Chevrolet Chevelle | 1974-1975 | Malibu Classic Estate |
| Chevrolet Chevy II | 1968 | Nova |
| Chevrolet Corvette | 1965-1974 | Base |
| Chevrolet El Camino | 1966-1975 | Base |
| Chevrolet El Camino | 1968-1974 | Custom |
| Chevrolet El Camino | 1968-1975 | SS |
| Chevrolet El Camino | 1975 | Classic |
| Chevrolet Impala | 1965-1967 | SS |
| Chevrolet Impala | 1965-1976 | Base |
| Chevrolet Impala | 1975-1976 | Sport |
| Chevrolet Impala | 1975-1976 | Custom |
| Chevrolet Impala | 1976 | S |
| Chevrolet Impala | 1976 | Custom Landau |
| Chevrolet K10 Pickup | 1968-1974 | Base |
| Chevrolet K10 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet K1500 | 1990 | Cheyenne |
| Chevrolet K1500 | 1990 | Scottsdale |
| Chevrolet K1500 | 1990 | Silverado |
| Chevrolet K1500 | 1990 | WT |
| Chevrolet K20 | 1986 | Silverado |
| Chevrolet K20 | 1986 | Scottsdale |
| Chevrolet K20 | 1986 | Custom |
| Chevrolet K20 Pickup | 1968-1974 | Base |
| Chevrolet K20 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet K30 | 1977-1982 | Silverado |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K30 | 1977-1981 | Cheyenne |
| Chevrolet K30 | 1977-1982 | Scottsdale |
| Chevrolet K30 | 1981 | Deluxe |
| Chevrolet K30 | 1981-1982 | Custom |
| Chevrolet K30 Pickup | 1968-1974 | Base |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet K5 Blazer | 1976 | Cheyenne |
| Chevrolet Kingswood | 1969-1972 | Estate |
| Chevrolet Kingswood | 1969-1972 | Base |
| Chevrolet Monte Carlo | 1970-1974 | Base |
| Chevrolet Monte Carlo | 1973, 1975 | S |
| Chevrolet Monte Carlo | 1973-1974 | Landau |
| Chevrolet Nova | 1969-1972 | Base |
| Chevrolet P20 | 1976, 1979 | Step-Van |
| Chevrolet P20 | 1976, 1979 | Base |
| Chevrolet P30 | 1975-1989 | Base |
| Chevrolet P30 | 1975-1985, 1987-1989 | Step-Van |
| Chevrolet R2500 | 1989 | Silverado |
| Chevrolet R2500 | 1989 | Cheyenne |
| Chevrolet R2500 | 1989 | Scottsdale |
| Chevrolet R3500 | 1989-1990 | Scottsdale |
| Chevrolet R3500 | 1989-1990 | Silverado |
| Chevrolet R3500 | 1989-1990 | Cheyenne |
| Chevrolet Townsman | 1969-1972 | Base |
| Chevrolet V3500 | 1989-1990 | Silverado |
| Chevrolet V3500 | 1989-1990 | Scottsdale |
| Chevrolet V3500 | 1989-1990 | Cheyenne |
| GMC C15/C1500 Suburban | 1967 | Base |
| GMC K15/K1500 Suburban | 1967 | Base |
| GMC K25/K2500 Suburban | 1967 | Base |
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.
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