This is for the 800-1000, Approx. 2015ish to 2017ish. Normally will see the 2 Rectangle plates protruding though the resin. Hardly Seen on updated Controller. Come with new Remote Fob.
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.