Yes, it does. I think I found my answer while searching all night long. Initially, I was hoping to find part numbers for the Rebel rear springs, then order those on the Mopar site and swap them into my non-ORP Laramie. The Mopar site lists 30+ different part numbers for the rear right spring, I assume the left side is the same. I ended up finding a cross-reference chart, so I would need to climb under my truck, find the non-ORP spring number then use the chart to find the applicable ORP spring.
I think I would rather just use a rear ORP spring to raise the rear 1 inch instead of using a spacer, which is the only reason I have ventured down this path.