Piaggio 50 engine aircooled cases size/length

is there anybody on here whos got a picture of the zip cases next to the nrg cases would be much appreciated it! im just in a dilemma that my gilera ice sidecase/skp has seen its best but the nrg power sidecase fits lovely to the ice engine so would i get away with putting my 13s on the ice engine its that i want to keep matching numbers to my logbook