K frame

barracudakid said
Will a 67 Barracuda k frame
Fit a 66 Barracuda?

I believe 67 and up K members are wider than earlier ones and different between slanty and V-8. 73 and up are spool mount K members.
63-66 K members are the same whether 6 or V-8. The center link is different for V-8 cars.