I don't know if I would waste the money on a front locker in an ifs rig. The cv's are the weak point and if you have it locked and droop the tires and turn the wheels or spin it. it really binds up. and destroys cv's

you may just want to save your money on the front locker buy a set of gears for it out of the for sale sections
learn to wheel it with the rear locker and then do an sas up front to a stronger front axle set up. because with 35's and a locker you will be breaking cv's most likely.

my 2 cents I had 4:88's with 33"s and hated it. even with the 4 cylinder engine but I had gotten used to driving it around with 4:10's and 33's.I would have been much happier with 4:56's from the start. I then swapped in a buick 4.1 v6 and the gears were too much at hyway speeds I was reving 3500-4000rpm's at 65 -70mph. I dropped back to 4:56's with 35's now and it runs great. but my engine has a lot more torque than a 4cyl. and I have a dual crawl box for the trails.