Types: XTX Outside circumference: 36.78" Top width: 1.32" Number: 320124 Sold: UnitBuilt for the most extreme machines, Dayco XTX ATV and UTV belts are engineered for machines powered by 800cc and above engines. Engineered with specially-formulated, high temperature polychloroprene with the highest level of aramid fiber reinforcement available delivers track-churning performance for the most aggressive riders. This innovative break-through design features deeper cogs on top and rounded cogs on the bottom for ultimate flexibility and longer belt life while being a better alternative to the original equipment belt. The Dayco XTX ATV belt offers: Faster and more consistent throttle response at high speeds Quicker throttle response at mid-speed acceleration Greater secondary acceleration at high RPMs Reduction in slippage during the highest levels of torque Increased horsepower capacity Better performance during deceleration more responsive engine braking Tested and proven reliable at well over 12,000 RPMs Cooler running than the leading competitors This race-tested Dayco XTX belt gives extreme riders the best out-of-the-hole acceleration, throttle response and durability, for the ride of a lifetime—every time! Refer to the chart to find your model.