Selling a Zex Wet Nitrous Kit (part # 82023). This sells new for around $600. This kit came with a car I purchased. It was hooked up, but I did not use it. Previous owner may have. A description of the kit can be found on Zex's website:
http://www.zex.com/zx/v8-efi-wet-nitrous-system.html
Universal V8 application. Very nice kit. $300 takes it