Wossner 8104DB Piston Kit - 47.46mm drive-universal-joints 5:1 compression (w/ stock 85cc

5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams

2009-2019 KTM 65 SX

4L Hemi cool from the street to the track

To ensure superior performance across a wide variety of engine types and sizes

Wossner 8104DB Piston Kit - 47.46mm drive-universal-joints 5:1 compression (w/ stock 85ccBore: 47. 46mm Sizing: Sizing Not Available Wossner (pronounced Werssner) Pistons, Germanys finest aftermarket forged piston company brings precision and quality to North America. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service. With our involvement with top teams around the World you can be assured to receive only the finest components from Wossner. Wossner has an advantage over most