WTB SBP rear brakes for 8.75" rear with backing plates

Backing plates. Drums and hardware if in decent shape. Converting my 7-1/4 rear to a 8-3/4 but keeping SBP wheels.

just took a pair of 10 x 2 of my 68 formula s , still stock and all together w/ emerg. brake cable still intact. can send phone pics if interested.
p m me if you need pics w/ your phone # then make offer.
bob