Air shocks are stock.
If you look at the rear shocks, you can see air hoses going to them if the bike still has the stock shocks. To inflate them, use a HD (low pressure) air pump. The access is behind the right saddlebag.
Mine were OK for the first few years, took them off and put on progressives...
"enjoy every sandwich" - W Zevon
2001 FLHR (carb) w 95" 26g cam and a head job.