
Transform your 250cc four-stroke into a torque-rich 270cc powerhouse with this comprehensive big bore kit. Increases displacement by 20cc for significantly improved low-to-mid power delivery.
The 270cc big bore kit delivers the best of both worlds—250F agility with improved torque.
We process orders within 1-2 business days. Expedited shipping options allow you to get your parts faster just in time for race day.
Returns are accepted within 30 days of purchase for unused items in original packaging. A restocking fee may apply for special order items.