I have the ring, pinion (spelling??) & 308 stock gears from my ex 1992 5.0 vert....these are brand new...replaced before the car was driven off of the dealer's lot. I want to sell them on E-Bay.......what should be the proper description for the title....wasn't sure if I should call it the differential, ring-pinion-gears or something else?? Any suggestions would be appreciated!!