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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 .051-inch MLS (Multi-Layer Steel) head gasket is the ultimate solution for BMW M50B25 and M52B28 engine builds requiring a specific compressed thickness for compression ratio tuning. Designed for durability, this gasket ensures a perfect seal between the cylinder head and block, even under the intense pressures of high-performance driving.
Cometic's advanced MLS technology utilizes multiple layers of stainless steel to provide a robust seal that resists corrosion and thermal cycling. The outer layers are embossed and coated with Viton, creating a superior seal that adapts to the surface finish of your cylinder head and block. This gasket is specifically engineered to withstand the shearing forces found in high-output BMW engines, making it ideal for both naturally aspirated and forced induction setups. Whether you are performing a routine rebuild or a full-scale performance upgrade, this gasket offers the reliability and precision you need to keep your engine running at its peak. Explore our full catalog of engine components at GGCRACING.
| Brand | Cometic Gasket |
|---|---|
| Manufacturer part number | C4328-051 |
| GGC SKU | CGSC4328-051 |
| UPC / GTIN | 191070020262 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 27 × 11.5 × 0.1 in |
|---|---|
| Shipping weight | 1.3 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1998-2000 | BMW | 323i | Base |
| 1991-1995 | BMW | 325i | Base |
| 1991-1995 | BMW | 325is | Base |
| 1996-1999 | BMW | 328i | Base |
| 1996-1999 | BMW | 328is | Base |
| 1990-1995 | BMW | 525i | Base |
| 1997-2000 | BMW | 528i | Base |
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