I have the trail grapplers in a 35.04x13.39x18 on 18x9 KMC XD Hoss 795 with a +30 offset which is 6.18 on the backspacing. I have about 1 1/2 inches between the uca and the tire. Their was only about 1/4 clearance between the body mount and the tire and I didn't wanna take the chance of the tire getting hung up on the mount so I cut it back. The tires rubbed on the front plastic fender liner so I cut that out also. And of course I removed the mud flaps front and back and I cut my skid plate.