[A930Rocket]

I was doing a search on the Isaac and I found a post by Moses. Back in 2008, he bought one on eBay for $28!!!

In the thread, Jack Olson, posted that he uses one.

Mine cost around $800.

http://forums.pelicanparts.com/porsche-autocross-track-racing/396909-isaac-head-neck-restraint-thoughts.html