The product is a vintage Ford alternator pulley designed for 1965-1968 Mustang and Fairlane models with a 390 or 428 CJ engine. The pulley is a double alternator pulley with the manufacturer part number C5AF-10A352-J2. This part is essential for maintaining the proper functioning of the alternator system in these classic Ford vehicles. It is a high-quality, authentic Ford part that is ideal for collectors or enthusiasts looking to restore their vintage mustangs to their original condition. Please look at the pictures carefully. They are a major part of the description and show the exact condition of the part. If you need more pictures, please let us know.