Backing Plate Differences

RustyRatRod said

Are 10" backing plates from a B body 7 1/4 the same as the A body 10" backing plates for the A body 7 1/4? Thank you drive through.

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Nope, different. The B-body 7 1/4 backing plates (6 cylinder car with the 10 X 1 3/4" brake shoes) are the same as the A-body with an 8 3/4, not the 7 1/4. The A-body 7 1/4 only uses 4 mounting studs.