These sponsons make a huge difference to the stability and turning capability of this craft. With the OEM sponsons they tend to slide out easily on corners and make them hold on and turn as hard as you want to push them. They are also a big help to keep the boat going in a straight line when towing water toys and skiers. The item "WORX WR518 GTS / GTX / GTI Race Sponsons Sea Doo Jetski Waverunner" is in sale since Tuesday, February 19, 2019. This item is in the category "Sporting Goods\Boating, Water Sports\Watercraft\Personal Watercrafts". The seller is "worxracingcomponents" and is located in Arundel. This item can be shipped worldwide.