Fully assembled outboard and inboard joints installed on a 4340 chromoly steel axle bar.All internal precision ground components are assembled using high-temperature, high load-bearing moly grease.All axles are assembled using stainless steel low-profile clamps. All axles include a spindle nut and washer where applicable.Vendor Item # TRK-PO-8-329This item fits the following applications:Polaris 400 Hawkeye HO 2x4 (11-14)Polaris 400 Sportsman HO (11-14)Polaris 500 Sportsman (2011)Polaris 500 Sportsman HO (11-13)Polaris 500 Sportsman ET/EX Tractor (12-13)Polaris 500 Sportsman HD (2013)Polaris 500 Sportsman ET/EX Tractor (2013)Polaris 500 Sportsman Forest Tractor (2014)Polaris 570 Sportsman All (2014)Polaris 800 Sportsman (11-14)