f350 daully
 

I need some help....... I just got a 1995 f350 4x4 diesel crew cab single rear wheel.
Someone installed daul rear wheels. What i need is to know what do i need to change
on front axle to change front wheels ,so i can carry just one spare. Hubs,rotors,brakes,
spindles,outer axleshaft,etc.
thanks gary