All 9-inch Quick 60 converters feature small bolt circle and include motor plate spacer kits for 1/8-inch and ?-inch motor plates. Same construction characteristics as the 8-inch Quick 60 converters including anti-balloon plates, steel billet turbine hub, furnace brazed impeller and turbine, super duty thrust bearings, super duty drive lugs, new precision pump drive tube and 22 element sprag. Fully balanced and pressure tested.