Need driveshaft for 1968 dart 8 3/4" rear

Hi,I found factory original a body 8 3/4" rear for my 68 Dart. I am looking for a factory original 8 3/4" driveshaft that would work so i can just swap the rear and driveshaft in one fell swoop and get back on tbe road without without having to take my old 7 1/4" one someplace and have it modified . MUST BE LOCATED IN SOCAL. PLEASE REPLY BY PM.THANK YOU