Home   All Parts   Engine Parts & Diagrams, Scooters-ATVs-Dirt Bikes-GoKarts   Piston Kits (2 and 4 Stroke), GY6,QMG,Honda Type,CG,Jog,+More, For 40-260cc Engines   2 Stroke Piston Kits   PISTON KIT 90cc 2-stroke , B=50.25 Pin=12 H=60 , Ctr Pin To Top=34 mm , OS1