Increased durability at high temperatures which can be found in the engine bay of tuned vehicles. Increased performance in cold weather and condition. Lightweight and good friction tolerance properties which means that excess tension is not required while anti-sound properties reduces belt squeal. The lightweight belt provides high-following performance even at a variable rotational speed, and this does not only reduce squeaking sound but also provides high transmission efficiency. The back color is black for the nylon fabric, core wire reinforced type, and stretch-fit belt. Back face is blue colored with HKS logo. This belt is an exclusive product for an auto tensioner for TOYOTA GR COROLLA / GR YARIS (Air Conditioner less) TOYOTA genuine belt part number: 90916-02770 This product is specially designed to meet the auto tensioner model. You can use it with confidence. (The belt has different characteristics depending on the tensioner structure.) The belt structure is designed to ensure compatibility with genuine products by incorporating a core wire made of polyester tensile cords and featuring a rubber-backed specification with nylon fabric Superiority of using the EPDM (Ethylene Propylene Diene Monomer) Better durability and performance in hotter or colder conditions with improved friction tolerance. Much lighter than previous version of belt. Short fiber mixture in rib rubber improves the performance over previous version
