air shocks....to do or not to do

cause i need good shocks and i use to use air shocks on my other cars and was curious what i should use because i read not to use air shocks and wanted to know the reason why....you gave me that reason....now i need to know if these shocks will be ok
http://www.summitracing.com/parts/mon-58496st/overview/make/dodge/model/dart/year/1972