Better known as the CEO of a renowned family business specializing in automotive lubricants, Ed Justice Jr. has built a fabulous collection where motorsport rules.

A jaw-dropping 100-point 1932 Chrysler Imperial LeBaron CL earned Best of Show honors at the 66th annual Hillsborough (Calif.) Concours d’Elegance, held Sunday at the popular Crystal Springs Golf Course. Showcasing excellence in automotive design and engineering, the event was highlighted by the display of more than 200 vintage and...