80's J20 axles will keep you SUA, front is not really any stronger, rear is a full floater, you will be 8-lug then and looking for new rims/tires. Rear will need the perches repositioned for the wag/chero width.
2000 Infinity QX4, 3.3L, MPFI, 4 speed auto, 2 speed Nissan tcase, Unibody, IFS front, 4 link rear solid axle with 255-70/16s
IFSJA WMS PROJECT
EARLY WAG LIFT SEARCH
Self Inflicted Flesh Wound
...Pay no attention to these heathen barbarians with their cutting torches and 8" lift kits!...