Product Features:Dayco's patented, self-lubricating fabric provides exceptional resistance to abrasion; resulting in extended pulley and belt lifeMade with premium, high modulus glass fiber non-stretch cord that delivers precise length stability to keep the engine timed precisely and running smoothly over the life of the beltThis is a high temperature belt, made with high temperature resistant materials to resist temperature degradationThis belt has a round tooth profile; designed to fit the timing sprockets precisely