i assume "all" hardware means every nut, bolt, spacer, and bearing to mount that up, but you should verify w/him to make sure.
i don't know about the specifics of that gen gsxr, but the ignition may need to be modded to get it to bolt up. or if the new setup comes with an ignition and key, then maybe you want to use that.
you'll have to fab up a speedo sensor, there are lots of threads here about that. and i think thats it, looks like you're getting all the parts you need, good luck w/ the build. thats the smarter way to do it, i've been trying to piece a front end together, its taking forever, and not costing any less.