In 1970, Plymouth gave the Barracuda an entirely new body just to make room for the 426 Hemi — something the old Valiant-based platform could never have handled. The two model years that followed brought colors named “Moulin Rouge” and “Sassy Grass Green,” a four-headlight styling change found in no other year, and a Hemi-powered racing chapter that oddly plays out better in France than in America. Read on to find out what made this brief window so collectible.