Hey 99GT also remember that Trent had a IRS axle adn you have a live axle. So his pricing would be a little more than yours!
Call Brandon and he can tell you for sure! Then if you want or have a chip or SCT tuner you can change the computer either way.
Just remember that you will have to change the computer with a speed cal or a chip or tune of some kind. I did not know that until after the gears, hell they did not know it until after the swap and I had to drop another 400 for the chip and custom burn.
Travis