The brackets fits the small bearing 2.81" OD Ford small bearing axles. 4.5 bolt circle has 1/2" stud holes and 4.75" bolt circle has 7/16" stud holes.
Small Bearing 9" Ford Econo Bolt On Rear Disc Brake Kit with Em. Brake Calipers
9" Ford Pinion Nose Bearing - Case Bearing #1465
9" Ford 31 spline Cut to Length axle with bearing & hardware 29.5" long
9" Ford 31 spline Cut to Length axle with bearing & hardware 33.0" long
9" Ford 28 spline Cut to Length axle with bearing & hardware 29.5" long
9" Ford 28 spline Cut to Length axle with bearing & hardware 33.0" long
