This is the HiSun Factory Piston Kit for the 450 Engine. It has a Bore of 83mm and a Stroke of 84mm = 454cc.
Similar to the HiSun 500 but the 450 uses a 19mm Wrist Pin, 500 = 20mm. The Crank Rod is Different.
This Fits HiSun 400 UT/UTV Models from 2011-2024. Comes complete with Fan, Radiator Cap, Temp Switch and Guards as Shown. TSC, Coleman, UT400, HiSun, Qlink, Yard Sport and more.