i have some custom made disk brake swap spacers for sale. all you need is longer bolts and 8 lug 3/4 ton backing plates with calipers and rotors to make them work. these will bolt inbetween the 3/4 ton backing plate and axle plate . it gives you the correct spacing to use ford 3/4 ton twin ibeam front rotors with deeper backspacing and 3/4 ton gm backing plates and calipers on your 14 ff. i have used these and had good results in the past. a machinest / off road truck buddy made these years ago almost before the big disk swap craze. he has used them for years. i have 2 sets brand new off the mill machine. 50 or best offer shipped to you.