I have a set of Dart Iron Eagle 215 steel heads that were on a 421 motor. They are complete with New valve springs and good valves. Took off to upgrade motor for a bigger track. Call or tex for more info and pics 513-508-3299. Also have a Doug Herbert roller cam, roller lifters, Herbert stud girdles and poly locks and also have a New set of Comp 1.6 roller rockers(steel) that can be purchased also for additional $! Package deal for it all ready to bolt on $1600. Tex for cam specs if interested.