 In the Cup Series, teams are allotted three organizational roster spots for one- and two-car operations, and four spots for three- and four-car outfits.XFINITY and Gander Outdoors Truck Series teams are allowed one organizational roster spot each.Examples of Road Crew include crew chief, car chief, mechanics, engine tuners, engineers, specialists (for areas such as tires, aerodynamics and shocks) and spotters.