If the coils are the same as a 99 trooper the 912's are great.I use them with the Rancho 9k and it is an awesome ride.There is also a 919 but it is much firmer.I am not familiar with the 913.The 912 will give you an inch and a half.


99 Trooper 3" Indy lift,Rancho 9000's,RIP
91 Trooper 2.4l, Indy 3in,32x11.5,5 BFG's on black Rock Crawlers,Confer rack ,Pro Comp lights,Warn hubs,XM radio
97 Zj