The Cometic Gaskets C5903-030 MLS (Multi-Layer Steel) Header Gaskets are engineered for optimal sealing performance in high-output applications. These gaskets are designed to work effectively with both aluminum and cast iron components, ensuring a robust seal that can handle the shearing forces generated by the interaction of different materials.
Constructed from multiple layers of stainless steel, the C5903-030 gaskets offer enhanced strength and resilience against corrosion. The outer layers feature an embossed finish and are coated with Viton, a high-performance fluoroelastomer rubber that withstands temperatures up to 250°C (482°F). This material is specifically formulated to perform in demanding sealing environments, ensuring reliability under various load conditions and surface finishes. The central shim layer is uncoated stainless steel, allowing for flexibility in thickness to meet specific application needs.
These gaskets are specifically designed for the Chrysler/Dodge 426 Hemi V8 engine, with a port head configuration of 2.310" x 2.810" and a thickness of .030".
These gaskets are compatible with the following models:
Other Part Numbers:
Cometic Gaskets #cgsC5903-030
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Dodge Challenger | 1970-1971 | R/T |
| Dodge Challenger | 1970-1971 | Base |
| Dodge Challenger | 1970 | T/A |
| Dodge Charger | 1966-1971 | Base |
| Dodge Charger | 1967-1971 | R/T |
| Dodge Charger | 1969-1971 | 500 |
| Dodge Charger | 1969 | Daytona |
| Dodge Charger | 1969 | SE |
| Dodge Charger | 1971 | Super Bee |
| Dodge Charger | 1971 | Special Edition |
| Plymouth Barracuda | 1970-1971 | Gran Coupe |
| Plymouth Barracuda | 1970-1971 | 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.