Hyper Pak vs Super Six
I had an Offy 4bbl intake with a 390cfm Holley 4bbl on it. This manifold had provisions to bolt to a stock exhaust manifold and provide the carb heat. I had headers that had a tube that ran from one of the header pipes to the bottom of the intake for cold weather carb heat.
FWIW, the Clifford 4bbl intake does not have provisions for the carb heat and it can't be used with a stock exhaust manifold.
I still have some pictures of my Barracuda with the \6 if you want to check it out on my web page.