tera low kit...for 231
 

http://www.4x4groupbuy.com/store/ter...cs-p-7316.html

i have 87 xj lareado, aw4 auto, dana 44 rear, it says will work for xjs with 23 sline autos, where do i need to count splines? on driveline where it goes in t case? trans out putshaft? just wanna make sure i have whats required to install this kit...thanks for help in advance