i have a 99 dodge ram rear end and i can't find the tag on it and would like to know what type of rear end would it be , it has a 12 bolt hole cover on it and i understand they offered a 8.25 and a 9.25 and i believe another type also not so sure.. but the one in the truck has 12 bolt cover and it is a 5.9 engine with auto trans ..thanks guys