Need two alum preferered, 1 3 groove, 1 2groove , two dominator air cleaners,

what size do you need? I have one, it is 3 groove with the inner two being 5" and the outer one is 2 1/2". this was on a Mercury Racing Supercat engine. it is on ebay right now ad number 370694519023. if it does not sell tonight let me know if it will work and we can see what kind of deal we can make.
thanks
steve