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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 (Multi-Layer Stopper) head gasket is engineered for high-performance 5.0L Coyote engines. Designed specifically for the 2015-2017 Ford F-150 and Mustang, this LHS gasket features an integrated stopper layer that optimizes combustion chamber sealing and increases clamp load without causing bore distortion.
Constructed from high-grade materials identical to Cometic's renowned MLS line, this gasket provides the reliability required for both street and track applications. Whether you are rebuilding your engine or performing a performance upgrade, the MLX gasket ensures your Coyote engine maintains optimal compression under extreme load conditions. Trust the industry standard for engine sealing performance at GGCRACING.
| Brand | Cometic Gasket |
|---|---|
| Manufacturer part number | C15366-040 |
| GGC SKU | CGSC15366-040 |
| UPC / GTIN | 191070369835 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 24 × 9.5 × 0.25 in |
|---|---|
| Shipping weight | 0.8 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2015-2017 | Ford | F-150 | King Ranch, Lariat, Platinum, XL, XLT |
| 2016-2017 | Ford | F-150 | SSV |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | GT, GT Premium |
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