Bobby at Alloway’s Hot Rod Shop says there are only two engines like this one anywhere in the world, and it lives under the hood of a 1955 Plymouth Savoy that looks almost stock at first glance. Between the Art Morrison chassis, a custom interior from Pro Auto Custom Interiors’ Steve Holcomb, and that over-500-cubic-inch polished aluminum Hemi, this build hides serious ambition behind restrained styling. Watch to see how ScottieDTV’s camera uncovers what makes it so rare.