Impro's Hooker Impeller, Kawasaki 140mm Jet Pump, K750SX, SXi, 800SXR 10-16pitch. Large hub 75mm, cut back 7mm, polished stainless steel radial blade design make these some of the best performing impellers on the market. Designed for MAXIMUM bottom end and "hook up". Please email before ordering if unsure of application or pitch.