Gates Drive Belt 2011-2013 Polaris Ranger RZR XP 900 G-Force Kevlar Aramid CVT OEM Upgrade Heavy Direct OEM belt replacement means no clutch/variator spring or fly-weight adjustment is required at installation. Manufactured to meet or exceed OEM belt performance, delivering fast and consistent transmission response at all speeds Designed for superior performance, durability, and fit. Tested under severe environmental conditions to deliver maximum performance in any terrain or weather. Kevlar fiber cords provide tensile strength and durability, yet maintain belt flexibility for outstanding CVT operation under widely varying speed and torque loads. Designed and manufactured by Gates Co., a leading US supplier of Automotive and Power-Sport belts, with over 50 years experience in belt technology