I think these cost less.

http://www.alcohol-injection.com/water-injection-kits-1/?osCsid=372d711fde615ef52df9a51de12ae487

I think this one of the better ones: http://www.alkycontrol.com/

I am installing one of these on my Syclone.

I think they will all work,just depends on your preference IMO.

MBHD

12 port SDS EFI