Solas ke-cd-11/16 Concord Jet Ski impeller, has unique blade design that delivers remarkable thrust take off, improves acceleration and top speed. Solas KE-CD-11/16 impeller is great for pulling skiers as well top speed.This upgrade over stock fits Kawasaki 750ZXI, Xi, Xi, Sxi Pro, 59255-3703 59255-3706 59255-3705