Hey guys, I am getting ready to put a SBP 8.75 under my dart and I need to know if a B body backing plate will work with a SBP drum. Thanks in advance.

68 twin turbo Dart 8.19 so far
70 Swinger 360
69 Roadrunner 383 4 speed
69 Mod Top Satellite 383 auto
69.5 A12 Super Bee 4 speed
70 T/A Challenger
70 FC7 Duster 340 4 speed
70 FJ5 Superbird
68 Hemi 4 speed Roadrunner
71 Duster W2 340