Orig. Equipment construction drop-in belt with no clutching adjustments. Tested under extreme conditions in controlled environments as well as race vehicles. Viability testing completed to match shift curves. Dynamometer testing proves G-Force belts outlast other high-performance belts by as much as five times. Advanced aramid tensile cords and reinforced fiber loaded undercord are used in construction for durability and dependibility. Flat-top or top-cog construction. Proprietary measuring technology ensures exact fit. Construction utilizes double and single cog configurations to match Orig. Equipment belt designs maximizing heat control and flexibility.