Piston Kit Gr. II (Size B) for KTM 300 EXC/XC-W 2004-2026 - 55630307100 II

This genuine OEM piston kit is engineered to restore the power and efficiency of your 300cc two-stroke engine. It serves as a critical component in the combustion process, ensuring optimal compression and heat transfer within the cylinder. As an authentic factory part, it meets the highest standards of durability and performance.

This piston is compatible with an extensive range of motorcycles, including KTM 300 EXC, XC, and XC-W models from 2004 to 2026. It also fits Husqvarna TE 300 and TX 300 models (2014-2026), and GasGas EC 300 and EX 300 models (2021-2026). This includes TPI, Six Days, Hard Enduro, and various special editions across all three brands.

The kit comes complete with the piston, high-quality rings, a wrist pin, and circlips for a comprehensive top-end rebuild. This specific part is designated as Gr. II (Size B), which is slightly larger than the standard size to provide the correct clearance for cylinders with minor wear.

Maintaining your top end with genuine parts is essential for the longevity of your engine. We recommend following the manufacturer's service intervals for piston replacement to avoid loss of power or potential engine damage.

Check compatibility list below to see if this part fits your motorcycle model.