These are the exact copies, approved by Mustang Club of America. They feature the correct grooves running the length of the hose, correct colored stripe and part numbers, air conditioned cars have a 90 degree bend on one end of the hose when appropriate. Colored markings are very durable and don’t come off easily. Below part numbers are for our reference only and do not reflect part numbers on actual hoses. Notes :68 All (after 2-1-68)Red stripe