if you get to the haldex or Barnes catalog pages online they will be dimensional drawings. The basic outline is the same it just gets longer as they make the gear sets wider. So if you measure the appropriate length of the different sections and port locations on your pump you’ll probably be able to match it up with the appropriate haldex pump. then you will know the displacement of the small gear set an a large gear set, and be able to figure out how much more you could turn with that engine