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Cometic Chevrolet 348/409 W-Series Big Block V8.027in MLS Cylinder Head Gasket - 4.200in Bore

Take your engine's performance to the next level with Cometic's MLS (Multi-Layer Steel) Head Gaskets. These gaskets provide maximum sealing performance for today's high-output engines and require no sealants.

Ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, Cometic's MLS gaskets can withstand the shearing force created by the two materials. The multiple layers of stainless steel increase strength, allowing for rebound and resistance to corrosion.

  • Embossed outer layers coated with Viton for heat resistance up to 250 C/482 F
  • Multiple layers of stainless steel for increased strength and durability
  • Ideal for high-performance engines with aluminum or cast iron blocks
Make Model Year Type
Chevrolet Bel Air 1958 Base
Chevrolet Bel Air 1959 Base
Chevrolet Bel Air 1960 Base
Chevrolet Bel Air 1961 Base
Chevrolet Bel Air 1962 Base
Chevrolet Bel Air 1963 Base
Chevrolet Bel Air 1964 Base
Chevrolet Bel Air 1965 Base
Chevrolet Biscayne 1958 Base
Chevrolet Biscayne 1959 Base
Chevrolet Biscayne 1960 Base
Chevrolet Biscayne 1960 Fleetmaster
Chevrolet Biscayne 1961 Base
Chevrolet Biscayne 1962 Base
Chevrolet Biscayne 1963 Base
Chevrolet Biscayne 1964 Base
Chevrolet Biscayne 1965 Base
Chevrolet Brookwood 1958 Base
Chevrolet Brookwood 1959 Base
Chevrolet Brookwood 1960 Base
Chevrolet Brookwood 1961 Base
Chevrolet C10 Pickup 1960 Base
Chevrolet C10 Pickup 1961 Base
Chevrolet C20 Pickup 1960 Base
Chevrolet C20 Pickup 1961 Base
Chevrolet C30 Pickup 1960 Base
Chevrolet C30 Pickup 1961 Base
Chevrolet Del Ray 1958 Base
Chevrolet El Camino 1959 Base
Chevrolet El Camino 1960 Base
Chevrolet Impala 1958 Base
Chevrolet Impala 1959 Base
Chevrolet Impala 1960 Base
Chevrolet Impala 1961 Base
Chevrolet Impala 1962 Base
Chevrolet Impala 1963 Base
Chevrolet Impala 1964 Base
Chevrolet Impala 1964 SS
Chevrolet Impala 1965 Base
Chevrolet Impala 1965 SS
Chevrolet K10 Pickup 1960 Base
Chevrolet K10 Pickup 1961 Base
Chevrolet K10 Pickup 1962 Base
Chevrolet K10 Pickup 1963 Base
Chevrolet K10 Pickup 1964 Base
Chevrolet K10 Pickup 1965 Base
Chevrolet K10 Pickup 1966 Base
Chevrolet K10 Pickup 1967 Base
Chevrolet K10 Pickup 1968 Base
Chevrolet K10 Pickup 1969 Base
Chevrolet K10 Pickup 1970 Base
Chevrolet K10 Pickup 1971 Base
Chevrolet K10 Pickup 1972 Base
Chevrolet K10 Pickup 1973 Base
Chevrolet K10 Pickup 1974 Base
Chevrolet K20 Pickup 1960 Base
Chevrolet K20 Pickup 1961 Base
Chevrolet Kingswood 1959 Base
Chevrolet Kingswood 1960 Base
Chevrolet Kingswood 1961 Base
Chevrolet Nomad 1958 Base
Chevrolet Nomad 1959 Base
Chevrolet Nomad 1960 Base
Chevrolet Nomad 1961 Base
Chevrolet Parkwood 1959 Base
Chevrolet Parkwood 1960 Base
Chevrolet Parkwood 1961 Base
Chevrolet Sedan Delivery 1958 Base
Chevrolet Suburban 1961 Base
Chevrolet Truck 1958 Base
Chevrolet Truck 1960 Base
Chevrolet Yeoman 1958 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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