Huntersville, N.C. (June 20, 2017) – BK Racing announced today that Silversport will be an associate sponsor on the No. 23 EarthWater Limited Toyota Camry of Alon Day when he makes his Monster Energy NASCAR Cup Series debut this weekend at Sonoma Raceway. Silversport, co-founded by NFL Hall of Famer Franco Harris, produces clothing for the medical, fitness, fashion, and military markets that are specially designed to stay odor free.