Kawasaki 310 ultra steering system question

I have a 2014 kawasaki 310x, of course my factory adjustable steering is sloppy. I see that pwc muscle offers an aftermarket lower steering system (part # MM-KA-128)… my question is. Does this lower utilize the OEM upper steering assembly or does it require the upgraded upper assembly? Thanks in advance

This item is no longer available. Sorry for the confusion

So is there another solution for the slop in my steering?

Looks like there is a gap in the market right now…existing systems I know of are discontinued and I don’t see anything new. If you find something, please let me know