I have no idea which condenser you have and I am assuming you are talking about the '71 firebird in your signature. Here are the instructions for a surefit condenser kit. You will see the part number for the bracket on page 3. Those brackets will only work with the super badass 1" thick condenser though, part number 037030-OVR
http://www.vintageair.com/Instructions2013/903435.pdf