Original #: 830575, , GP#: EZ4035G34, GPM 3.5, PSI: 4000, HP: 10, RPM: 3400, Shaft: 1" Hotsy Pacific Sale! from $710.88 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