Deaver is now making custom +6 HD rides is 100x better over the +4HD was shocked how big of a diff it was mine is 45 inches now ground to bottom of flare with about 500lbs of weight on bed see my post
https://www.fordraptorforum.com/threads/rpg-traction-bars-and-rpg-deaver-6-hd.80553/
This is exactly what I would expect on an HD. One inch of compression under a 500lb load. @RaptorVette is seeing two inches of compression under a 100lb load. Something seems off. I wonder if it would be worth a call to Deaver? He might have gotten a mismarked set of springs.