Call these guys and get the catalog, call them and ask questions they know their shit.
http://www.downeyoff-road.com/EngineComponents/ all they work on is 'Yotas. What kind of off-road are you looking for? When I lifted my truck I just wanted taller, but now I wish I did a SAS conversion it would have been the same $$ but better and with less headaches.
Thom