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Taking a break from the frame, one of the next steps is assembling the rear end housing. Fatman can use pretty much any rear end housing in its Tri-Five chassis as long as it meets the required width measurements. In our case, the requirement is a 591/2-inch hub-to-hub axle assembly. This will allow us to mount up to a 10-inch wide wheel/tire combo with 61/4-inch backspacing and 53/4-inch frontspacing in the rear without having to cut the wheelwells. The mounting brackets for the four-link bars are set in place on a jig, then the housing is dropped in. Once measurements and alignment are set, the brackets will be tack welded in place. For this chassis, we'll be using a Moser-supplied 12-bolt rear.