I'm new to the 2500 world. Always owned a 1500. I'm looking at a lifted '15 ram 2500 cummins. Dealer sent me these suspension pics. Any idea what lift this is? Also, any advice on things to look for before purchasing? Any advice would be greatly appreciated.

http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_19_zpsvfrvkpbn.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_22_zpsvyrcpqwh.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_23_zpsy9ml5lcd.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_46_zpsseayffds.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_47_zpss5rmgq0i.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_48_zpsuyykzdny.jpg.html
http://s92.photobucket.com/user/adamdubree/media/64FBFFC8-46B8-4CE9-99FF-E4533C413D0A_49_zpsvsa7zneu.jpg.html