I haven't had to buy repros yet, but I do have a few other vendors you might try:
American Classic Truck Parts
1960-1966 Catalog
p. 15 each $225.00 (metal)
pair $435.00 (fiberglass)
Truck Shop 1960-1972 Catalog
p. 67 Part No. 60-09209 $210.00 (left)
Part No. 60-09210 $210.00 (right)
Classic Industries Parts and Accessories
T70289 1960-66 RH front fender ............................... 229.95 ea
T70290 1960-66 LH front fender ............................... 229.95 ea
Good luck!
