1971 Ford and Mercury Full-Size. NEW OLD STOCK 390 ALTERNATOR FAN BELTS (2). These are ORIGINAL FORD NOS PARTS. 45 5/8" length. 15/32" belt width. Brand New in the package. Straight from the shelves of a long closed Ford dealership. Still soft and pliable. Ready To Install. IMPOSSIBLE TO FIND ORIGINAL NOS. Perfect for Your Show Quality Restoration. Please email with any questions.. 112420-12 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL FORD PARTS. CHECK IT OUT.