Elite® automotive V-belts are manufactured with the latest EPDM rubber compounds, providing higher heat and abrasion resistance in even the toughest under-hood conditions. The result is greater wear resistance for an exceptional belt life. A polyester tensile member improves dimensional stability, controlling elongation and limiting belt slip. ContiTech Elite® Automotive V-Belt, Helical Cogged, 3/4 in Top Width, 45-3/8 in Outside Length, 1 Ribs, EPDM Rubber, Polyester Reinforced