Original #: 102309, Interpump #: WW961EZG, GP#: EZ3040G, GPM 4, PSI: 2500, HP: 6.8, RPM: 3400, Shaft: 1" Hotsy Pacific Sale! from $622.39 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Interpump / GP EZ Series Hollow Shaft ? Flanged