Sumitomo Riko Engine Cover Adopted for Use in Toyota GR Yaris on November 6, 2020 in Industry A polyurethane-based engine cover from Sumitomo Riko Co. Ltd. (TYO:5191) has been chosen for use in the newly launched GR…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading