Originally Posted by mdm0321
So what's the target backspacing I should be aiming for? somewhere the sub 4" region?
Generally for the JK's you want 4.5" bs or less. The smaller #'s mean your tires will stick out farther from your Jeep. For those 13.5-wide grapplers, I think 4" bs would be good.
Again, the guys at DTD can tell you about specific tire/rim combos.