Precisely engineered to fit all Honda CRF450R models from 2009 through 2012
215" Exhaust Stem Diameter 4
Defender 800 DPS (2016–2021)
Take your Raptor or Grizzly to the next level with this complete 102mm big bore kit
Premium SKF crankshaft main bearings – 1 pair
Namura Top End Cylinder Kit Piston Gaskets for Polaris Trail Blazer Xplorer 250 KVF360 Precisely engineered to fit allNA 50000K, 810806, 536M07200, BR8ES, 3087049, 3085541, 3083769, 3083617, 3089277, 3070171, 3070156, 3086757, 3084439, 3084292, 3084033, 3084017, 3084016, 3084015, 3083768, 3083733, 3083676, 3083540, 3082510193564123305, 71420580806, NA 50000R, NA 50000T, NA 50000F, 09 503 1 Revitalize your Polaris 250 with this complete top end rebuild kit. This premium kit has everything you need for a fresh new start, including a new 72mm cylinder and Namura Top End