Moser 12 bolt
"the sway bar mounting brackets had to be redesigned, as they wouldn't fit on the larger 3-inch axletubes. Detroit Speedworks modifies 3-inch brackets and Energy Suspension bushings to fit the larger-diameter axletubes when it performs such swaps."
But earlier in the article they point out... "the stock rear-stabilizer-bar mounts won't fit, but 3- or 3.5-inch muffler clamps will usually do the trick."
By the way, were you able to use your stock driveshaft?

