Brock Zearfoss earns Rookie of the Year, top-five during 360 Knoxville Nationals
By Fully Injected Motorsports: JONESTOWN, Pa. (August 10, 2020) – The ‘Jonestown Jet’ Brock Zearfoss has been a man on a mission in the great state of Iowa. Not only has the former Port Royal Speedway champion been competitive among the nation’s top 360 sprint car competitors, but the Jonestown, Pennsylvania-native has yet to finish…