3964291 69-70 396/402/427 Closed Chamber Heads Part # 3964291

69-70 396/402/427 Closed Chamber Heads Part # 3964291

69-70 396/402/427 Closed Chamber Heads Part # 3964291 Dates are F49 and F49, or June 4th, 1969 These heads do have the screw in studs and guide plates on them. Location A16C