The new R&D SEA-DOO Pro Series Sponson Kit was designed and developed to deliver lots of handling performance with adjustability options, which allows you to setup your SEA-DOO your way with 2-position backing plate and 3-position sponson blade adjustability. The R&D Pro Series Sponson Kits have been extensively offshore, race track, 1 up recreational, and 2 up recreational tested to guarantee a comfortable setting for any riding style! The R&D Sponson Kit will deliver a much smoother and more predictable ride over OEM sponsons. Low speed and high-speed turns are a breeze with new found control! There is also a higher end recreational/race setting with enough grip for the best of pros! Track tested with Nicholas Rius and Chris Fischetti. With plenty of adjustability, its the only sponson kit you will ever need.