Hyper Pak

Some articles on hyper pak:

Chrysler Slant-6 Engine - Configuration Variants - High-performance Variants - Hyper Pak
... The Hyper Pak was a parts package made available from 1960 through 1962 at Chrysler Corporation dealer parts counters ... The Hyper Pak consisted of a very-long-ram intake manifold meant to accept a Carter AFB 4-barrel carburetor, the AFB carburetor itself and an appropriate air cleaner, dual (front-3 and rear-3) cast-iron exhaust ... The Hyper Pak was recommended for installation only on vehicles equipped with manual transmissions, for the camshaft was of such characteristics that a high idle speed was required to prevent engine stall-out ...