I have a 70 BS23 cuda project.
Narrowed D60 12 pt cage, have all sheetmetal.
$5000 best thing is I am about 2 hrs from Pittsburg.
Car is a roller, message me if interested.
I went up and got it, also found the trim ring.
I am sure the floor pan is the same because I also had a 80 at the same time I parted this truck.
I will send you a PM with pics.
I have one somewhere in my barn, if you are not in a hurry I will look for it.
My barn is not at my house its a 75 mile round trip.
It came out of a 82 D-150 I parted years ago.