If you’re diving into the world of classic Chevys or just looking to give your Gen-1 Small Block V8 some serious love, you’ll want to check out this .051" MLS Cylinder Head Gasket. It’s not just any gasket; it’s built from multi-layer steel, which means it’s tough enough to handle the heat and pressure that comes with performance engines.
Now, let’s talk specifics. This gasket fits a 4.200 bore and is designed for 12-23 degree heads, particularly those Brodix heads that enthusiasts rave about. Whether you're doing a full rebuild or just some routine maintenance, this gasket will help keep your engine sealed tight, preventing any pesky leaks that could ruin your day at the track or on the road.
And if you’re curious about fitment, it’s versatile enough to work with a range of classic models. We're talking about everything from the 1955 Bel Air to the 1986 Monte Carlo. Here’s a quick list of some compatible rides:
Just a heads up—this gasket fits both right and left positions, so you’re covered whether you’re working on the driver or passenger side. If you’re planning to push your engine to its limits, this gasket is a solid choice that’ll hold up under pressure. It’s made for those who appreciate the classic Chevy vibe but still want to keep things running smoothly. Get ready to hit the road with confidence!
Other Part Numbers:
Cometic Gaskets #cgsC5403-051
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick Century | 1977-1979 | Custom |
| Buick Century | 1977-1979 | Special |
| Buick Century | 1977, 1980-1981 | Base |
| Buick Century | 1978-1981 | Sport |
| Buick Century | 1978-1981 | Limited |
| Buick Century | 1980-1981 | Estate |
| Buick LeSabre | 1978, 1982 | Custom |
| Buick LeSabre | 1978 | Base |
| Buick LeSabre | 1978 | Sport |
| Buick LeSabre | 1982 | Limited Edition F/E |
| Buick LeSabre | 1982 | Limited |
| Buick Regal | 1977 | SR |
| Buick Regal | 1977-1986 | Base |
| Buick Regal | 1978-1982 | Sport |
| Buick Regal | 1978-1986 | Limited |
| Buick Regal | 1982-1983 | Estate Wagon |
| Buick Regal | 1982 | Limited Turbo |
| Buick Regal | 1983-1986 | T-Type |
| Buick Regal | 1984-1986 | Grand National |
| Buick Skylark | 1977-1979 | S |
| Buick Skylark | 1977 | SR |
| Buick Skylark | 1977-1979 | Base |
| Buick Skylark | 1978-1979 | Custom |
| Buick Skylark | 1978 | Sport |
| Checker Marathon | 1965-1974 | Town Custom |
| Checker Marathon | 1965-1982 | Base |
| Checker Marathon | 1970-1982 | Deluxe |
| Checker Marathon | 1971-1975 | Aerobus |
| Chevrolet Bel Air | 1955-1975, 1981 | Base |
| Chevrolet Bel Air | 1955-1957 | Nomad |
| Chevrolet Bel Air | 1955-1956 | Beauville |
| Chevrolet Biscayne | 1958-1972 | Base |
| Chevrolet Biscayne | 1960 | Fleetmaster |
| Chevrolet Blazer | 1969-1974 | Base |
| Chevrolet Brookwood | 1958-1961, 1969-1972 | Base |
| Chevrolet C10 Panel | 1960-1967 | Base |
| Chevrolet C10 Pickup | 1960-1974 | Base |
| Chevrolet C10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C20 | 1986 | Custom |
| Chevrolet C20 | 1986 | Silverado |
| Chevrolet C20 | 1986 | Cheyenne |
| Chevrolet C20 | 1986 | Base |
| Chevrolet C20 | 1986 | Scottsdale |
| Chevrolet C20 Panel | 1967 | Base |
| Chevrolet C20 Pickup | 1960-1974 | Base |
| Chevrolet C20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C30 | 1975-1982 | Silverado |
| Chevrolet C30 | 1975-1980 | Custom Deluxe |
| Chevrolet C30 | 1975-1982 | Scottsdale |
| Chevrolet C30 | 1975-1982 | Base |
| Chevrolet C30 | 1975-1981 | Cheyenne |
| Chevrolet C30 | 1981-1982 | Custom |
| Chevrolet C30 | 1981 | Deluxe |
| Chevrolet C30 Panel | 1960-1966 | Base |
| Chevrolet C30 Pickup | 1960-1974 | Base |
| Chevrolet Camaro | 1967-1973, 1975 | RS |
| Chevrolet Camaro | 1967-1972 | SS |
| Chevrolet Camaro | 1967-1980 | Base |
| Chevrolet Camaro | 1967-1974, 1977-1986 | Z28 |
| Chevrolet Camaro | 1973-1978 | LT |
| Chevrolet Camaro | 1976-1978 | LT Rally Sport |
| Chevrolet Camaro | 1976-1980 | Rally Sport |
| Chevrolet Camaro | 1979-1986 | Berlinetta |
| Chevrolet Camaro | 1981-1986 | Sport |
| Chevrolet Camaro | 1982 | Z28 Indianapolis 500 Pace Car |
| Chevrolet Camaro | 1985-1986 | Iroc-Z |
| Chevrolet Caprice | 1966-1972, 1980-1982, 1985-1986 | Base |
| Chevrolet Caprice | 1973-1986 | Classic |
| Chevrolet Caprice | 1973-1974 | Estate |
| Chevrolet Caprice | 1975-1976, 1979-1980 | Classic Sport |
| Chevrolet Caprice | 1975 | Estate Wagon |
| Chevrolet Caprice | 1976-1981 | Classic Landau |
| Chevrolet Caprice | 1976-1978, 1981-1982 | Classic Estate |
| Chevrolet Caprice | 1979 | Landau |
| Chevrolet Caprice | 1986 | Classic Brougham |
| Chevrolet Chevelle | 1964-1965 | Malibu Super Sport |
| Chevrolet Chevelle | 1964-1968 | 300 |
| Chevrolet Chevelle | 1964-1977 | Malibu |
| Chevrolet Chevelle | 1965-1969 | 300 Deluxe |
| Chevrolet Chevelle | 1966 | Super Sport 396 |
| Chevrolet Chevelle | 1967-1972 | Concours |
| Chevrolet Chevelle | 1967-1970 | SS 396 |
| 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 | Deluxe |
| Chevrolet Chevelle | 1973 | Laguna Estate |
| Chevrolet Chevelle | 1973 | Malibu Estate |
| Chevrolet Chevelle | 1973 | Laguna |
| Chevrolet Chevelle | 1974-1976 | Laguna Type S-3 |
| Chevrolet Chevelle | 1974-1977 | Malibu Classic |
| Chevrolet Chevelle | 1974-1976 | Malibu Classic Estate |
| Chevrolet Chevy II | 1963-1968 | Nova |
| Chevrolet Chevy II | 1963-1967 | Base |
| Chevrolet Chevy II | 1964-1967 | Nova SS |
| Chevrolet Corvette | 1955-1974, 1977-1982, 1984-1986 | Base |
| Chevrolet Corvette | 1975-1976 | Stingray |
| Chevrolet Corvette | 1978 | Silver Anniversary Edition |
| Chevrolet Corvette | 1978, 1986 | Indianapolis 500 Pace Car |
| Chevrolet Corvette | 1982 | Collector's Edition |
| Chevrolet Del Ray | 1957-1958 | Base |
| Chevrolet El Camino | 1959-1960, 1964-1986 | Base |
| Chevrolet El Camino | 1968-1986 | SS |
| Chevrolet El Camino | 1968-1974 | Custom |
| Chevrolet El Camino | 1975-1977 | Classic |
| Chevrolet El Camino | 1977-1978, 1981-1986 | Conquista |
| Chevrolet El Camino | 1979-1981 | Royal Knight |
| Chevrolet Impala | 1958-1985 | Base |
| Chevrolet Impala | 1964-1967 | SS |
| Chevrolet Impala | 1975-1977 | Custom |
| Chevrolet Impala | 1975-1976, 1979-1980 | Sport |
| Chevrolet Impala | 1976 | Custom Landau |
| Chevrolet Impala | 1976 | S |
| Chevrolet Impala | 1977-1979 | Landau |
| Chevrolet Impala | 1981-1982 | Estate |
| Chevrolet K10 Pickup | 1960-1974 | Base |
| Chevrolet K10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K20 | 1986 | Silverado |
| Chevrolet K20 | 1986 | Scottsdale |
| Chevrolet K20 | 1986 | Custom |
| Chevrolet K20 Panel | 1967 | Base |
| Chevrolet K20 Pickup | 1960-1974 | Base |
| Chevrolet K20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K30 | 1977-1981 | Cheyenne |
| Chevrolet K30 | 1977-1982 | Scottsdale |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K30 | 1977-1982 | Silverado |
| Chevrolet K30 | 1981 | Deluxe |
| Chevrolet K30 | 1981-1982 | Custom |
| Chevrolet K30 Pickup | 1968-1974 | Base |
| Chevrolet K5 Blazer | 1976 | Cheyenne |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet Kingswood | 1959-1961, 1969-1972 | Base |
| Chevrolet Kingswood | 1969-1972 | Estate |
| Chevrolet Malibu | 1978-1981 | Base |
| Chevrolet Malibu | 1978-1983 | Classic |
| Chevrolet Malibu | 1978-1980 | Classic Estate |
| Chevrolet Malibu | 1978-1981 | Classic Landau |
| Chevrolet Malibu | 1979-1980 | Sport |
| Chevrolet Malibu | 1979-1980 | Classic Sport |
| Chevrolet Malibu | 1979-1980 | Estate |
| Chevrolet Malibu | 1979 | Landau |
| Chevrolet Malibu | 1979 | Police |
| Chevrolet Monte Carlo | 1970-1974, 1979, 1981-1986 | Base |
| Chevrolet Monte Carlo | 1973, 1975-1977 | S |
| Chevrolet Monte Carlo | 1973-1974, 1976, 1978-1981 | Landau |
| Chevrolet Monte Carlo | 1978, 1980 | Sport |
| Chevrolet Monte Carlo | 1983 | CL |
| Chevrolet Monte Carlo | 1986 | LS |
| Chevrolet Monza | 1975, 1978-1979 | S |
| Chevrolet Monza | 1975-1979 | 2+2 |
| Chevrolet Monza | 1976, 1978-1979 | Base |
| Chevrolet Monza | 1976 | Towne Coupe Spyder |
| Chevrolet Monza | 1976-1977 | Towne Coupe Sport |
| Chevrolet Monza | 1976-1979 | 2+2 Spyder |
| Chevrolet Monza | 1976-1977 | Towne Coupe |
| Chevrolet Monza | 1976-1977 | Towne Coupe Cabriolet |
| Chevrolet Monza | 1977 | Mirage |
| Chevrolet Monza | 1978-1979 | 2+2 Sport |
| Chevrolet Monza | 1978 | Sport |
| Chevrolet Nova | 1969-1979 | Base |
| Chevrolet Nova | 1973-1975, 1978-1979 | Custom |
| Chevrolet Nova | 1975 | LN |
| Chevrolet Nova | 1975-1978 | Police |
| Chevrolet Nova | 1976-1977 | Concours |
| Chevrolet Nova | 1976 | SS |
| Chevrolet Nova | 1977-1979 | Rally |
| Chevrolet One-Fifty Series | 1955-1957 | Base |
| Chevrolet Suburban | 1960-1966 | Base |
| Chevrolet Townsman | 1969-1972 | Base |
| Chevrolet Truck | 1955-1958 | 3200 |
| Chevrolet Truck | 1955-1958 | 3800 |
| Chevrolet Truck | 1955-1958 | 3400 |
| Chevrolet Truck | 1955-1958, 1960 | Base |
| Chevrolet Truck | 1955-1958 | 3500 |
| Chevrolet Truck | 1955-1959 | 3100 |
| Chevrolet Truck | 1955-1958 | 3700 |
| Chevrolet Truck | 1955-1958 | 3600 |
| Chevrolet Two-Ten Series | 1955-1957 | Del Ray |
| Chevrolet Two-Ten Series | 1955-1957 | Base |
| GMC C15/C1500 Suburban | 1967 | Base |
| GMC K15/K1500 Suburban | 1967 | Base |
| GMC K25/K2500 Suburban | 1967 | Base |
| Pontiac Firebird | 1972, 1977-1986 | Trans Am |
| Pontiac Firebird | 1972, 1977-1981 | Esprit |
| Pontiac Firebird | 1972, 1977-1986 | Base |
| Pontiac Firebird | 1972, 1977-1981 | Formula |
| Pontiac Firebird | 1982-1986 | S/E |

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.