I just got in a smittybuilt rear roll bar from 4WP for my 90k5. Well atleast i think it is. It says to mount the main bar right at the base of the step(right infront for the rear seat) This places the bar about 6 inches away from the cab. Most rear bars ive seen are further back. Did they send me the wrong one? I just do not want to get it in and find out its not going to fit my needs