We just redesigned the B and E-Body front disc brake conversion so it now uses Mopar Parts! We are using 1977-1979 Chrysler Cordoba front brake parts and the 11 3/4" front rotor. We are now using a sleeve on the spindle itself to make up the difference between the width of the spindle and the opening of the rotor. The sleeve itself is made out of steel that is harder than the spindle. Here is a picture of the new bracket: