Re: What years are these hydraulic backing plates???
JSerry is showing the area that I am referring to. Maybe the correct term would be "patina" or less rusted. Passenger car housings are shaped different in this area. With these backing plates, the 3/4t full floating hubs, and truck axles you have the beginnings of "dirt track" race car rear end. Brake shoes and hyd cyls are the same as passenger cars.
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