 Other improvements include the change to a manual transmission with six forward speeds ( instead of the previous four ) , and increased stability resulting from wider track axles than its predecessor . Leaf springs were replaced with modern coil spring suspension front and rear , and the Storm II features rear Dana 44 axles and front TJ Dana 30s , factory designed slip yoke eliminators , and the added safety of standard airbags . Soldiers ' comfort was addressed as well with the addition of standard rear air conditioning and a compact disc player . 
 Other improvements include the change to a manual transmission with six forward speeds ( instead of the previous four ) , and increased stability resulting from wider track axles than its predecessor . Leaf springs <a href='uninflect' title='1'><mark>were</mark></a> replaced with modern coil spring suspension front and rear , and the Storm II features rear Dana 44 axles and front TJ Dana 30s , factory designed slip yoke eliminators , and the added safety of standard airbags . Soldiers <a href='null_genetive' title='2'><mark>'</mark></a>comfort was addressed as well with the addition of standard rear air conditioning and a compact disc player . 
Other improvements include da change to a manual transmission witt six forward speeds ( instead of tdaprevious four ) , and increased stability resulting from wider track axles than its predecessor . Leaf springs was replaced with modern coil spring suspension front and rear , and the Storm II features rear Dana 44 axles and front TJ Dana 30s , factory designed slip yoke eliminators , and the added safety of standard airbags . Soldiers  comfort was addressed as well witt the addition of standard rear air conditioning and a compact disc player .