DAYCO TIMING BELT -- 70.87 in. effective length, 1.17 in. top width, 225 teeth; Features patented and self-lubricating fabric that provides exceptional resistance to abrasion for extended pulley and belt life; Its molded cog design runs quieter and is more economical than chain drives; Designed with a high modulus glass fiber non-stretch cord that delivers precise length stability to keep the engine running smoothly over the life of the belt; The belt's compounding and tooth configurations are designed for specific applications ranging from normal service to high performance and high temperature engines; Meets all OEM specifications.

AC DELCO TIMING BELT -- 1-3/16 in. x 70-7/8 in., 225 teeth; Made of heat and oil-resistant polymers that contribute to the long life of the belts; Its tooth compounds are specifically formulated to prevent tooth deformation under load; Features special molding with synthetic rubber that assures load is evenly distributed among the belt teeth engaged with the timing gears; Uses dimensional stable cords for strength and precision that resist shrinking and stretching; Designed specifically for automotive timing drives; A high quality, direct fit OE replacement timing belt; With lifetime AC Delco warranty.