Holley buy Demon carbueration?

Yes. Holley owns Demon.

This is a good thing, because they have better quality control and facilities.

X2... Stayed with Holley, over these. Like the Quick Fuel stuff,myself. Here's some more info,on the buyout....
http://www.google.com/url?sa=t&sour...=cqxSn4Z3IoU316XeMvVyNw&bvm=bv.81177339,d.cGU