I opted for the "A" arms on my 2009 KK. Two trips back to the dealer and it still pulls to the right a little. Only if you let go the steering wheel does it start drifting. Airpres is good, tires were rotated too and still does it. Provided the dealer with specs from JBA and I have to hand it to the tech, he said it was one of the toughest lift installs he did (and this dealer does many for customers buying wranglers and KK's.) I've shelved the drift and now worried about the "popping" noise I get from the front. Someone mentioned to let the KK sit on the ground, looses the tension bar and tighten to specs. I've not done this yet but got a clear sked next week after I get my KK windshield replaced (cracked by a Michigan winter mosquito
) on Monday and haven't been driving it much the past couple weeks. The "thunk" noise happens when I'm on level ground turning. Going forward or backward and it doesn't happen every time and there is no standard method of making it pop. Sometimes, I don't have to be moving, just turning the wheel and it sounds like it happens on ether side. 