i know of a difference in the fender flare, 4wd bigger and wider to alow the bigger tire(duh, yes i know). i know of a few lowrider id-jits that swapped in the 4wd beds so they could tuck a bigger set of rims and lower the truck more.

i dont know of any thing else

nick

92' Pick-up, SAS, gears to make her crawl, 37's , bullet proof motor, and alot of time invested.
06 CRF450R one mean roost flinging machine