Cooper Tire Returns as Sponsors for Fourth Consecutive Season As a founding sponsor of the event, Cooper Tire was the first tire manufacturer to support the AMSOIL Championship Off-Road series in its inaugural 2020 season. Cooper Tire has since returned for the 2023 season, their fourth consecutive year as a partner and sponsor for the … Continue reading COOPER TIRE RETURNS TO SPONSOR THE 2023 AMSOIL CHAMPIONSHIP OFF-ROAD SEASON