Amazon.com: Gagsu Brake Backing Plate Rear Brake Dust Shield Backing Plates 924-212 for Ford Excursion F250 F350 F450 F550 (Pack of 2) : Automotive
1964-1981 All Makes All Models Parts | RE107 | 1967-81 Chevrolet Camaro/Pontiac Firebird & 1964-79 Chevy II/Nova; Rear Drum Brake Backing Plates; 9-1/2" X 2" | Classic Industries
BACKING PLATE, Rear Brakes, RH, W/ 10 Bolt - #C-5001-3B - National Parts Depot