1.OUTLAST THE REST: Gates C12 Drive Belts utilize high-strength, high-modulus aramid ( body armor material) tensile cords and reinforced fiber-loaded rubber for durability, dependability, and a long-lasting belt life that outlasts other high-performance belts by as much as 5X. 2.Special belt construction results in increased side-load resistance, preventing belt distortion and edge-cord pullout 3.OPTIMIZE HEAT RESISTANCE: the high-performance neoprene, trapezoidal top cogs, and rounded bottom cogs deliver optimal heat control and maximum flexibility 4.RECLAIM YOUR HORSEPOWER: Tensile cords provide faster acceleration and extreme horsepower, improved throttle response, and consistent shifting performance 5.CONTROL YOUR SPEED: this premium belt offers exact speed control and maximum speed adjustment INSTALL EASILY: the constructed drop-in Gates C12 Drive Belt requires no clutching adjustments Product is made from high quality material, which is not only but also stable to use for a