See photos - I am upgrading the rear axle in my 1952 Chevy truck. I purchased a 9 bolt BW posi rear and was told it came out of a 1989 Camaro Iroc. It has mounting brackets / backing plate for disc brakes but nothing else. Every part store tries to sell me something but aren't sure if it's right. Can anyone please offer some direction of what I need and suggestions of where to purchase. Thanks

 

89 bw 9-bolt came with 11.55 dia rotors and aluminum calipers. These parts are available on-line.

 

 

Another picture.