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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 MLS (Multi-Layer Steel) Head Gasket is the gold standard for high-output Mazda Miata 1.8L engines. Engineered for precision, this 83mm bore gasket with a .040" compressed thickness provides an airtight seal that withstands extreme cylinder pressures. By utilizing multiple layers of stainless steel and a specialized Viton rubber coating, this gasket eliminates the need for additional sealants, ensuring a reliable bond between your block and cylinder head.
Designed to handle the demands of both naturally aspirated and forced induction setups, this gasket provides the durability needed for track-day abuse or spirited street driving. Its ability to maintain a consistent seal under thermal expansion makes it the preferred choice for engine builders worldwide. Whether you are performing a routine rebuild or a high-performance upgrade, trust the engineering behind Cometic to protect your engine's compression. Get the best engine components for your Mazda at GGCRACING.
| Brand | Cometic Gasket |
|---|---|
| Manufacturer part number | C4560-040 |
| GGC SKU | CGSC4560-040 |
| UPC / GTIN | 191070033743 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 17.5 × 8 × 0.13 in |
|---|---|
| Shipping weight | 0.7 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | Base, M Edition |
| 1997 | Mazda | Miata | STO |
| 1990-1994 | Mazda | Protege | LX |
| 1991-1994 | Mazda | Protege | DX |
| 1994 | Mazda | Protege | Base |
| 1995-1998 | Mazda | Protege | ES |
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