Precise Manufacturing = Peak PerformancePeak power, peak efficiency. For screamin’ hi-performance on the track or on the trail. XS is designed for high horsepower sleds delivering superior performance and longer belt life. XS features a specially formulated rubber compound found in no other snowmobile belt. One Year Warranty. Proudly made in the USA.* Please Note: The belt dimensions provided are for reference only. These dimensions should not be used to determine product functionality. belts are built to exacting specifications and inspected with calibrated equipment at specified tensions to assure strict dimensional compliance. Belt dimensions can vary from one manufacturer to another based on proprietary design information.List of part numbers that are compatible with the number :Barcode :0070964178510Supplier number :XS821-6PKcatalog number :210329