Fits 3-71 thru 16-71 GM type roots blowers. Fits most Mooneyham, Kuhl, Blower Shop, BDS, Hampton, Littlefield or GM superchargers. Racer can choose from drop down menu, import open, sealed or premium open or sealed. Typically the blower has open bearings in the front and sealed in the rear.
Measurements are 2.048" O.D. x .890" thick with an .985" I.D. Bearings are sold individually.
Racer can pick bearing type from drop down menu.