Fenders and valance are both different between 64 and 65. The valance
on a 65 is much higher. You could use a 64 fender on a 65 but would have to remove an inner piece on fender to use with a 65 valance.
turn signals are also mounted on valance for 63-64, and in the bumper
on 65. One would also have to swap a 65 headlight bucket into a 64 fender to use on a 65. Lee