After looking at their website, I think that is the bottom line set up. I think $30 is a little much for that stuff. It is probably just a duckbill and the hoses and connectors. You may want to not buy that and buy your own stuff, like a CP or something.
But you may want to check out another site, such as
Tunamart Im sure he will give you a better deal than what you can get from AGD. I paid less than $450 for a pretty much decked out mag. It had the pariah body, ULT, bottom line, intelli, fore gip, xvalve, etc....