XTX Drive Belt - 2252 - Polaris/John Deere XTX belts are constructed with specially formulated, high temperature polychloroprene with an aramid fiber reinforcement for increased horsepower capacity and more responsive engine braking during deceleration, Reliable at well over 12,000 rpms for faster, more consistent throttle response and improved durability, XTX belt*s breakthrough design features deeper cogs on top and rounded cogs on the bottom for flexibility, longer belt life and cooler running temperatures d to leading competitors