hi people im new to the forum. i have a 1967 pontiac firebird with limited slip. im looking on ebay to find a 1967 pontiac firebird posi rearend but i cant find one. do any of you know what other makes for posi rearend will work on my firebird chevy, GM rearends?

You might be as well to buy one of the aftermarket posi sections such as the Eaton, or Arburn (?) style.