his 160mm twin impeller was designed specifically for racing applications. Smaller 'inducer' impeller dramatically increases jet pump efficiency and hook up over single stage impellers. Main impeller pitched to 12/18 specifications at Solas factory for increased RPM. Fits Yamaha SVHO models including GP1800, FX SVHO & FZR/FZS SVHO.
For use in craft equipped with a 160mm diameter wear ring.