POLARIS Heavy Duty Belt, Part 3211227SKU: 3211227 The most capable belts, purposely built for the way our Heavy Duty customers ride. The enhanced rubber material compound in these belts keep them cool in extreme heat while our patented cord treatment process maximizes the transfer of horsepower to the ground for those customers hauling heavy loads. We developed this belt in collaboration with the powertrain and clutch engineers to ensure 100% customer confidence in maximizing the