well i got the bed on the truck theres just like 2 inches between the cab and front bed panel igot all the sills in place where they go and all them are working out correctly its just at the rear the rear sil looks ok and never been moved its just that the twp ear peices are off center from my frame rails its like the frasme needs to be wider to match them or something tomorrow i will take pics of this problem and if i can get your e-mail address ill let you see if you might can come up with a resolution cause im puzzled .. any help i can get id be appriated i problly need 3 or 4 people to look at the pics i will take of the problem and see .