Im new to this badass site.I have a 02 gmc 5.3. I was going to buy the powertrax posi but I keep hearing it anit good.So im going to get the Eaton Posi.I would like it if you guys can tell me which one would I need? Also i already have the 3.73 gears from the factory.Would those go on without any problems?

 

call these guys, killer prices!! http://www.tomsdifferentials.com/ they will ask all the right questions to get you set up right.