1967 Corvette 427/400 Survivor Tri-Power intake #3894382 carbs and air cleaner.Carbs dated 724,724 and 721.Intake dated 12/13/66.3902355 list 3660,3902353 list 3659.Great for survivor or restore.I do not know condition of carbs so consider them cores.I have many more pics.Please send me your email for additional photos.