Article no.:
C5809-027
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Cometic Oldsmobile 330-455 V8 4.2 inch Bore.027 inch MLS Head Gasket
Get the best sealing performance for your high-output engine with Cometic's MLS (Multi-Layer Steel) Head Gaskets. These gaskets are designed to provide maximum sealing performance and require no sealants. They are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks.
- Embossed outer layers coated with Viton for improved sealing
- Compressed operating thickness of 0.027 inches
- Ideal for high-output engines
- No sealants required
Cometic's MLS gaskets are comprised of multiple layers of stainless steel, which provides increased strength and resistance to corrosion. The outer layers are embossed and coated on both sides with Viton, a flouroelastomer rubber-based material that is heat resistant to 250°C/482°F.
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Buick | Apollo | 1973 | Base |
| Buick | Apollo | 1974 | Base |
| Buick | Apollo | 1975 | Base |
| Buick | Apollo | 1975 | SR |
| Buick | Centurion | 1973 | Base |
| Buick | Century | 1973 | Base |
| Buick | Century | 1973 | Luxus |
| Buick | Century | 1974 | Base |
| Buick | Century | 1974 | Luxus |
| Buick | Century | 1975 | Base |
| Buick | Century | 1975 | Custom |
| Buick | Century | 1975 | Luxus |
| Buick | Century | 1976 | Base |
| Buick | Century | 1976 | Custom |
| Buick | Century | 1976 | Indianapolis 500 Pace Car |
| Buick | Century | 1977 | Base |
| Buick | Century | 1977 | Custom |
| Buick | Electra | 1975 | Custom |
| Buick | Electra | 1975 | Limited |
| Buick | Electra | 1976 | 225 |
| Buick | Electra | 1976 | Limited |
| Buick | Electra | 1977 | 225 |
| Buick | Electra | 1977 | Limited |
| Buick | Electra | 1978 | 225 |
| Buick | Electra | 1978 | Limited |
| Buick | Electra | 1978 | Park Avenue |
| Buick | Electra | 1979 | 225 |
| Buick | Electra | 1979 | Limited |
| Buick | Electra | 1979 | Park Avenue |
| Buick | Electra | 1980 | Estate Wagon |
| Buick | Electra | 1980 | Limited |
| Buick | Electra | 1980 | Park Avenue |
| Buick | Estate Wagon | 1973 | Base |
| Buick | Estate Wagon | 1975 | Base |
| Buick | Estate Wagon | 1976 | Base |
| Buick | Estate Wagon | 1977 | Base |
| Buick | Estate Wagon | 1978 | Base |
| Buick | Estate Wagon | 1979 | Base |
| Buick | Estate Wagon | 1980 | Base |
| Buick | GS | 1972 | Base |
| Buick | GS 455 | 1972 | Base |
| Buick | LeSabre | 1972 | Base |
| Buick | LeSabre | 1972 | Custom |
| Buick | LeSabre | 1973 | Base |
| Buick | LeSabre | 1973 | Custom |
| Buick | LeSabre | 1974 | Base |
| Buick | LeSabre | 1974 | Luxus |
| Buick | LeSabre | 1975 | Base |
| Buick | LeSabre | 1975 | Custom |
| Buick | LeSabre | 1976 | Custom |
| Buick | LeSabre | 1977 | Base |
| Buick | LeSabre | 1977 | Custom |
| Buick | LeSabre | 1977 | Custom Sport |
| Buick | LeSabre | 1978 | Base |
| Buick | LeSabre | 1978 | Custom |
| Buick | LeSabre | 1979 | Base |
| Buick | LeSabre | 1979 | Limited |
| Buick | LeSabre | 1980 | Base |
| Buick | LeSabre | 1980 | Limited |
| Buick | Regal | 1973 | Base |
| Buick | Regal | 1974 | Base |
| Buick | Regal | 1975 | Base |
| Buick | Regal | 1976 | Base |
| Buick | Regal | 1976 | SR |
| Buick | Regal | 1977 | Base |
| Buick | Regal | 1977 | SR |
| Buick | Riviera | 1975 | Base |
| Buick | Riviera | 1975 | GS |
| Buick | Riviera | 1976 | Base |
| Buick | Riviera | 1976 | Sport |
| Buick | Riviera | 1976 | SR |
| Buick | Riviera | 1977 | Base |
| Buick | Riviera | 1978 | Base |
| Buick | Riviera | 1978 | LXXV Anniversary Edition |
| Buick | Riviera | 1979 | Base |
| Buick | Riviera | 1979 | S |
| Buick | Riviera | 1980 | Base |
| Buick | Riviera | 1980 | S |
| Buick | Skylark | 1972 | 350 |
| Buick | Skylark | 1972 | Base |
| Buick | Skylark | 1972 | Custom |
| Buick | Skylark | 1975 | Base |
| Buick | Skylark | 1975 | SR |
| Buick | Skylark | 1976 | Base |
| Buick | Skylark | 1976 | S |
| Buick | Skylark | 1976 | SR |
| Buick | Skylark | 1977 | Base |
| Buick | Skylark | 1977 | S |
| Buick | Skylark | 1977 | SR |
| Buick | Sportwagon | 1972 | Base |
| Cadillac | Eldorado | 1979 | Base |
| Cadillac | Eldorado | 1979 | Biarritz |
| Cadillac | Eldorado | 1979 | Cabriolet |
| Cadillac | Eldorado | 1980 | Base |
| Cadillac | Eldorado | 1980 | Biarritz |
| Cadillac | Eldorado | 1980 | Cabriolet |
| Cadillac | Seville | 1976 | Base |
| Cadillac | Seville | 1977 | Base |
| Cadillac | Seville | 1977 | Opera |
| Cadillac | Seville | 1978 | Base |
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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