I have a brand new zex nitrous wet kit. It is on ebay right noe but if i sell it here first, then i will end the auction. The part #is 82021. check it out at www.zex.com. The retail price is $663 plus shipping and tax. My price is $500 FIRM. At this point I wont sell it for any less and I will not accept trades. call me (727)808-5752. This kit has never even been out of the box for more than 5 minutes.