Kaz Edward Grala (/ˈɡrɔːlə/ GRAW-lə; born December 29, 1998) is an American professional stock car racing driver. He last competed part-time in the NASCAR Camping World Truck Series, driving the No. 02 Chevrolet Silverado for Young's Motorsports, part-time in the NASCAR Cup Series, driving the No. 50 Chevrolet Camaro ZL1 for The Money Team Racing, and part-time in the NASCAR Xfinity Series, driving the No. 45 Chevrolet Camaros for Alpha Prime Racing and the No. 48 Camaro for Big Machine Racing. The Boston native is the youngest NASCAR winner in the history of Daytona International Speedway with his win in the 2017 Truck Series season-opener and the youngest person to ever compete in an International Motor Sports Association (IMSA) event.