It'll probably be fine without swapping out the olive and barb, if you do need to do it the only really useful bit in the kit you linked to is the blocks for holding the hose (you'll want a set of mole grips or vice to hold these) which may well come with your caliper and if they don't your LBS will have spares and already be throwing away loads.
It'll probably be fine without swapping out the olive and barb, if you do need to do it the only really useful bit in the kit you linked to is the blocks for holding the hose (you'll want a set of mole grips or vice to hold these) which may well come with your caliper and if they don't your LBS will have spares and already be throwing away loads.