The heads and intake will not be available probably close to a year. I have a set at Felbers being fully ported right now and another set going on my new ride boat! I must admit they look to be the badest set of production V8 heads I have ever seen Felber saw them and suggested I try getting a set, after I got em their is no doubt he was right as always and once he is done doing his magic they will make gangster power everywhere. I can't wait! Their chambers are perfect for an airboat!