Ford Racing offers high quality Mustang cylinder heads that will give you numbers you are looking for. Because their made by Ford you know the fit and reliability is tough to beat. Ford Racing has been in the performance Mustang market for a long time.
I've done the majority of my aftermarket mustang parts shopping at American muscle, recently finding out about this website I'd just like to say it is a great experience to shop here, the lay out is easy and simple to navigate, and you have thousands of parts that no other website has. The shipping is very fast and all te updates are great. I will be doin much more shopping with y'all, so thanks for being so badass haha