Extremely free flowing

Upgrade your secondary clutch performance by eliminating the friction-heavy factory square slider pucks

Excellent throttle response

The factory plastic diverter valve is a known weak point

cannot be punctured (unlike other mesh vents)

Piston Forged Big Bore Kit / RZR - Ranger 800 Category_Default Category/SXS/Polaris RZR/RZR S 1000 '16-Up Extremely free flowingExtremely high quality German made Wossner pistons! We have been using Wossner to make our high performance pistons for motors running over 40 psi of boost, high RPM 2 strokes and so much more. The quality and durability just can not be beat! We offer this quality piston kit for your RZR, Ranger or Sportsman 800 model. Wossner pistons that fit all year Sportsman, Ranger, or RZR 800 models with an 82mm big bore. Comes with two pistons, two ring sets,