The Cometic Gaskets C5816-120 is specifically designed for the Chevrolet Mark-IV Big Block V8 engines, featuring a durable multi-layer steel construction that ensures a reliable seal under high-performance conditions. With a bore diameter of 4.320 inches and a thickness of 0.120 inches, this cylinder head gasket is engineered to withstand the rigors of both street and track use.
The C5816-120 is compatible with a range of Chevrolet models, ensuring a precise fit for various applications. Below is the confirmed fitment:
When installing the C5816-120, ensure that the surfaces are clean and free of debris for optimal sealing performance. Proper torque specifications should be followed according to the manufacturer's guidelines to prevent gasket failure. This gasket is designed to fit both the left and right cylinder head positions.
For those looking to maintain or enhance their Chevrolet Mark-IV Big Block V8's performance, the Cometic Gaskets C5816-120 is a reliable choice that delivers the necessary durability and sealing efficiency required for high-output applications.
Other Part Numbers:
Cometic Gaskets #cgsC5816-120
⚠ 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 | Scottsdale |
| Chevrolet C1500 | 1990 | Silverado |
| Chevrolet C1500 | 1990 | 454 SS |
| Chevrolet C1500 | 1990 | Cheyenne |
| Chevrolet C1500 | 1990 | Base |
| Chevrolet C1500 | 1990 | WT |
| Chevrolet C20 | 1986 | Silverado |
| Chevrolet C20 | 1986 | Cheyenne |
| Chevrolet C20 | 1986 | Custom |
| Chevrolet C20 | 1986 | Base |
| Chevrolet C20 | 1986 | Scottsdale |
| Chevrolet C20 Pickup | 1968-1974 | Base |
| Chevrolet C20 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet C30 | 1975-1982 | Scottsdale |
| Chevrolet C30 | 1975-1982 | Silverado |
| Chevrolet C30 | 1975-1980 | Custom Deluxe |
| Chevrolet C30 | 1975-1982 | Base |
| Chevrolet C30 | 1975-1981 | Cheyenne |
| Chevrolet C30 | 1981-1982 | Custom |
| Chevrolet C30 | 1981 | Deluxe |
| Chevrolet C30 Pickup | 1968-1974 | Base |
| Chevrolet Camaro | 1967-1972 | Base |
| Chevrolet Camaro | 1967-1972 | SS |
| Chevrolet Camaro | 1967-1972 | RS |
| Chevrolet Camaro | 1967-1972 | Z28 |
| Chevrolet Caprice | 1966-1972 | Base |
| Chevrolet Caprice | 1973-1974 | Estate |
| Chevrolet Caprice | 1973-1976 | Classic |
| Chevrolet Caprice | 1975-1976 | Classic Sport |
| Chevrolet Caprice | 1975 | Estate Wagon |
| Chevrolet Caprice | 1976 | Classic Landau |
| Chevrolet Caprice | 1976 | Classic Estate |
| Chevrolet Chevelle | 1965-1968 | 300 |
| Chevrolet Chevelle | 1965-1975 | Malibu |
| Chevrolet Chevelle | 1965-1969 | 300 Deluxe |
| Chevrolet Chevelle | 1965 | Malibu Super Sport |
| Chevrolet Chevelle | 1966 | Super Sport 396 |
| Chevrolet Chevelle | 1967-1972 | Concours |
| Chevrolet Chevelle | 1967-1970 | SS 396 |
| Chevrolet Chevelle | 1968 | Nomad Custom |
| Chevrolet Chevelle | 1968-1972 | Nomad |
| Chevrolet Chevelle | 1969-1972 | Concours Estate |
| Chevrolet Chevelle | 1969-1972 | Greenbrier |
| Chevrolet Chevelle | 1970-1972 | Base |
| Chevrolet Chevelle | 1971-1972 | SS |
| Chevrolet Chevelle | 1973 | Malibu Estate |
| Chevrolet Chevelle | 1973 | Laguna |
| Chevrolet Chevelle | 1973 | Laguna Estate |
| Chevrolet Chevelle | 1973 | Deluxe |
| Chevrolet Chevelle | 1974-1975 | Malibu Classic Estate |
| Chevrolet Chevelle | 1974-1975 | Laguna Type S-3 |
| Chevrolet Chevelle | 1974-1975 | Malibu Classic |
| Chevrolet Chevy II | 1968 | Nova |
| Chevrolet Corvette | 1965-1974 | Base |
| Chevrolet El Camino | 1966-1975 | Base |
| Chevrolet El Camino | 1968-1975 | SS |
| Chevrolet El Camino | 1968-1974 | Custom |
| Chevrolet El Camino | 1975 | Classic |
| Chevrolet Impala | 1965-1967 | SS |
| Chevrolet Impala | 1965-1976 | Base |
| Chevrolet Impala | 1975-1976 | Custom |
| Chevrolet Impala | 1975-1976 | Sport |
| Chevrolet Impala | 1976 | Custom Landau |
| Chevrolet Impala | 1976 | S |
| Chevrolet K10 Pickup | 1968-1974 | Base |
| Chevrolet K10 Suburban | 1968-1969, 1971-1974 | Base |
| Chevrolet K1500 | 1990 | Cheyenne |
| Chevrolet K1500 | 1990 | Silverado |
| Chevrolet K1500 | 1990 | Scottsdale |
| 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 | Scottsdale |
| Chevrolet K30 | 1977-1982 | Silverado |
| Chevrolet K30 | 1977-1981 | Cheyenne |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K30 | 1981-1982 | Custom |
| Chevrolet K30 | 1981 | Deluxe |
| Chevrolet K30 Pickup | 1968-1974 | Base |
| Chevrolet K5 Blazer | 1976 | Cheyenne |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet Kingswood | 1969-1972 | Base |
| Chevrolet Kingswood | 1969-1972 | Estate |
| Chevrolet Monte Carlo | 1970-1974 | Base |
| Chevrolet Monte Carlo | 1973-1974 | Landau |
| Chevrolet Monte Carlo | 1973, 1975 | S |
| Chevrolet Nova | 1969-1972 | Base |
| Chevrolet P20 | 1976, 1979 | Base |
| Chevrolet P20 | 1976, 1979 | Step-Van |
| Chevrolet P30 | 1975-1985, 1987-1989 | Step-Van |
| Chevrolet P30 | 1975-1989 | Base |
| Chevrolet R2500 | 1989 | Silverado |
| Chevrolet R2500 | 1989 | Scottsdale |
| Chevrolet R2500 | 1989 | Cheyenne |
| Chevrolet R3500 | 1989-1990 | Scottsdale |
| Chevrolet R3500 | 1989-1990 | Cheyenne |
| Chevrolet R3500 | 1989-1990 | Silverado |
| Chevrolet Townsman | 1969-1972 | Base |
| Chevrolet V3500 | 1989-1990 | Silverado |
| Chevrolet V3500 | 1989-1990 | Cheyenne |
| Chevrolet V3500 | 1989-1990 | Scottsdale |
| 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.