Home   All Parts   Engine Parts & Diagrams, Scooters-ATVs-Dirt Bikes-GoKarts   2 Stroke 49-100cc ATV-Scooter Parts, Fits Eton,Jog,Alpha Sports, Polaris,Adly,Vento,etc.   90-100cc Cylinder Piston Kits - Heads - Crankshaft   PISTON KIT 90cc 2-stroke , B=50.25 Pin=12 H=60 , Ctr Pin To Top=34 mm , OS1