FC7 was the #3 color on the '70 'Cuda (BS23 & BS27) FC7 was the #10 color on the '70 GTX (RS23)
sorry I don't have '70 RR numbers (anyone have the Option & Accessory Report?)
it's all about the money someone had to place the minimum order for (WAG) 500 pieces, and didn't want to be in that June 1, 1971 meeting "why do we still have 400 of these FC7 Plymouth b-body bumpers on the shelf?"
someone had to place the minimum order for (WAG) 500 pieces, and didn't want to be in that June 1, 1971 meeting "why do we still have 400 of these FC7 Plymouth b-body bumpers on the shelf?" 
