Barrett-Jackson’s 46th Annual Scottsdale Auction rolled a deep run of rare Mopars across the block in January 2017, and one lot in particular had the rest of the docket looking over its shoulder: a 1970 Plymouth Hemi ‘Cuda listed as one of only fourteen built, carrying documented race history and national records. Here is what made that car, and the Mopar run around it, worth paying attention to.