2011-2014 for Polaris RZR XP 900 EFI 4x4 WOSSNER Piston Kit K8897D500-2 Dimpled tread elements on surface

Dimpled tread elements on surface of each lug offers better traction

outer bushings mount on the outer (aluminum) fork tube and have PTFE on the inside of the bushing

heavy-duty Hot Shot series version made with a special Mosfet technology for cooler running (as noted)

Option: Black 1982-85

fitting all Japanese 250F models

2011-2014 for Polaris RZR XP 900 EFI 4x4 WOSSNER Piston Kit K8897D500-2 Dimpled tread elements on surfaceManufacturer: WOSSNER PISTONS MPN: K8897D500 2 Title: Piston Kit Option: 97. 95 mm In house designed and manufactured; all forgings are produced in Wssner's company owned forging operation 4 stroke pistons are made using a double bridged forging design Lightweight pistons with the tightest piston wall clearances in the industry give you a quieter running engine Standard and oversize pistons for most models, with high compression ratios available for 4