I'm having a little trouble navigating this page as I pretend to be a computer Guru. LOL.... Can anyone tell me if I have a 2012 Nissan Frontier.... 31 rear spline c200k 8 bolt diff, what spline count I would have in the front..!!???? 27.... I'm looking to put in ARB Locker in the rear ASAP, and have any of you ever heard of a company called Lokka.????