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Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.
The Cometic MLX Head Gasket is engineered for enthusiasts who demand maximum reliability under extreme conditions. Designed specifically for the Subaru FA20 platform, this 89.5mm bore, .042-inch compressed thickness gasket provides a superior seal for both naturally aspirated and high-boost turbocharged applications. Utilizing a multi-layer stainless steel (MLS) construction, this gasket offers exceptional rebound, load distribution, and corrosion resistance.
The embossed outer layers are coated with a high-temperature Viton material, ensuring a perfect seal even on rough surface finishes or under high-cylinder pressures. Whether you are building a track-ready Scion FR-S, a daily-driven Subaru BRZ, or a performance-tuned Toyota 86, this gasket prevents leaks and maintains consistent compression ratios. By choosing Cometic, you are investing in industry-leading technology that handles the thermal expansion and contraction cycles of high-performance engines with ease. Trust GGCRACING to provide the critical components your build requires for long-term durability and peak power output.
| Brand | Cometic Gasket |
|---|---|
| Manufacturer part number | C4588-042 |
| GGC SKU | CGSC4588-042 |
| UPC / GTIN | 191070075743 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 12 × 8 × 0.25 in |
|---|---|
| Shipping weight | 0.6 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2016-2018 | Honda | Civic | LX-P |
| 2016-2019 | Honda | Civic | EX, LX |
| 2017-2019 | Honda | Civic | Sport, Type R |
| 2013-2016 | Scion | FR-S | Base |
| 2013-2019 | Subaru | BRZ | Premium |
| 2013-2020 | Subaru | BRZ | Limited |
| 2015 | Subaru | BRZ | Series.Blue |
| 2016 | Subaru | BRZ | Series.HyperBlue |
| 2017 | Subaru | BRZ | Series.Yellow |
| 2018 | Subaru | BRZ | TS |
| 2019 | Subaru | BRZ | Series.Gray |
| 2020 | Subaru | BRZ | TS |
| 2017 | Toyota | 86 | Special Edition |
| 2017-2020 | Toyota | 86 | Base |
| 2018-2020 | Toyota | 86 | GT |
| 2019 | Toyota | 86 | TRD Special Edition |
| 2020 | Toyota | 86 | Hakone Edition |
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