64nova, FTF is right the cylinder head for the big six is still in developement and should be released we hope by years end.We plan on developing heads for the us chey and mopar 6's in the near future once the ford heads are done.One of our customers this past weekend took his mustang to the track and nearly took 1sec. and 1/10th off his previous et by swiching from an log head with a holley 5002bl carb to the new aluminum cylinder head on a 200.(et's went from 16.31 to a best of 15.28@88mph)The 63 falcon that is pretty much our R&D car has run abest of 10.95 @124mph with a turboed 250 and aluminum head.We even have a customer running the new head on the HOTROD Power Tour to test it on the road.
