I see Jalpa Mike got you the part number. I would only be able to send you to Evans at 614-471-7535. George found it for me $308.00 delivered. Lambostuff contact info is:
01-937-912-4243 or
www.lambostuff.com
I just ordered air boxes from them. I don't think they keep inventory so it will take a few weeks to get unless you expedite.