Harness Bar

what up everyone... now that i've got my hands on a 97 gst i wanted to go ahead and put five piont harnesses into the car. theres on prolem though.... i need a harness bar... anyone kno where i can buy one or what it would cost to have one built. i was hoping to find one relatively close to this one http://machevo.com/sphabar.html . any help would be much appreciated.