Vintage Mustang Forums banner
  • Hey everyone! Enter your ride HERE to be a part JUNE's Ride of the Month Challenge!
  • May's Ride of the Month contest ended with a tie! Go to this thread to vote on the winner! VOTE HERE

casting numbers

  1. Vintage Mustang Forum
    can anyone tell me what these casting numbers mean? I just bought this intake for my mustang in doing a 4bbl conversion