Solas SR-CD-10/18 Concord Sea Doo impeller has unique blade design that delivers remarkable thrust take off, improves acceleration and top speed 2+mph. Solas sr-cd-10/18 Seadoo impeller is great for pulling skiers to racing.​This upgrade over stock Fits Sea Doo GTI/GTI SE 130 06 and up, GTI SE 06-up, GTI STD 06-up, GTI 4-tec SE 130 06-up, GTI 4-tec std 06-up, GTI 4-tec 06-up, GTS 130. GTI ltd 155 08-up,