Originally Posted by BIG CHEVY 3600
I don't understand why you wouldn't just drill through the boxed frame and use longer bolts. Is my Alzheimer’s taking hold here? :confused:

You could BUT you need to put a crush sleeve(I guess thats what they're call)which is basicly a piece of pipe between the inner & outer frame rails or as you tighten up any bolts the frame will start to look like this ~~> ) ( ...Joe