The phrase refers to the shell of a specific model-year vehicle, a 1967 Ford Mustang, that is being offered for purchase. This shell comprises the main structural components of the car, typically including the chassis, floor pans, quarter panels, roof, and firewall. These units are often sought after by individuals undertaking restoration projects or custom builds.
Acquiring such a unit can represent a significant opportunity for classic car enthusiasts and restorers. It allows for complete customization and the potential to build a vehicle to exact specifications. Furthermore, these units, particularly those in good condition or from desirable model years, can hold substantial value within the classic car market, serving as a foundational element for a valuable investment.