Though it is possible it can be pricey to do it right with new axles and all, don't replace OEM axles with CV joints allowing greater articulation, they will pop on you when you least need them to.
Super ATV sells the most comprehensive kit minus the shocks with more stroke to increase travel overall.
Honda Pioneer 1000 6" Lift Kit
From the above you could get properly tuned Walker Evan's shocks and spring rates to address the altered suspension geometry. Purely guessing could get travel up to 13" travel up from OEM 10.9" due to additional clearance IF you don't get silly with tire diameters (read no bigger than 28") But the shocks would have to have longer stroke to do this.