4:88 front an rear gears

i got a set of 4:88 gears out of my 2006 tacoma, front are yukon an rear are USA, i installed the rear gears an road them for about 1000 miles.i NEVER installed the front gears, then decided to sell the truck an get a diesel, i removed the gears an put the stock back in when i traded it.so i have font an rear ring an pinion , an the front install kit, i used the rear install kit, so u will have to purchace anotherrear install kit , i purchaced all this from randys ring an pinion back in september off 2012. my truck was on 35s with a automatic v6 4.0 an it was a night an day difference with the gears, i dragged a trailer like nothing.
im asking $500 OBO does not include shipping i would need to geta price.
text me an ill send u pics, right now i dont have a camera , 386 479 1869 names nick