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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.
Experience superior sealing for your 2-stroke engine with the Cometic Top End Gasket Kit. Designed to fit a wide range of 2023-2024 KTM 250/300 SX, XC, and XC-W models, as well as the Husqvarna TC250, this kit is built to handle the unique demands of high-performance 2-stroke powerplants. Cometic gaskets are the preferred choice for riders who demand reliability and consistent engine performance during demanding riding conditions.
A proper top-end rebuild is essential for maintaining the power and throttle response of your 2-stroke. This kit includes all the necessary gaskets to ensure your cylinder and head are sealed correctly, preventing power-robbing leaks and protecting your engine from air leaks that can lead to lean conditions. Cometic's commitment to quality means you get a reliable seal that stands up to the rigors of motocross and enduro racing. Ensure your bike is ready for the next race by using high-quality components from GGCRACING.
| Brand | Cometic Gasket |
|---|---|
| Manufacturer part number | C3811 |
| GGC SKU | CGSC3811 |
| UPC / GTIN | 191070588854 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 7.5 × 6 × 0.1 in |
|---|---|
| Shipping weight | 0.16 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2023 | Husqvarna | TC250 | Base |
| 2023 | Husqvarna | TC250 Heritage | Base |
| 2023-2024 | KTM | 250 SX | Base |
| 2023-2024 | KTM | 250 XC | Base |
| 2024 | KTM | 250 XC-W | Base |
| 2023-2024 | KTM | 300 SX | Base |
| 2023-2024 | KTM | 300 XC | Base |
| 2024 | KTM | 300 XC-W | Base |
| 2024 | KTM | 300 XC-W ERZBERGRODEO | Base |
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