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 # ATV-PO-8-321This item fits the following applications:Polaris 325 Sportsman ETX (2015)Polaris 400 Sportsman HO (13-14)Polaris 450 Sportsman HO/MD (2016)Polaris 500 Sportsman HO (2013)Polaris 500 Sportsman HO Touring (2013)Polaris 500 Sportsman HD (2013)Polaris 500 Sportsman ET/EX Tractor (2013)Polaris 500 Sportsman Forest Tractor (2014)Polaris 570 Sportsman All (14-16)Polaris 800 Sportsman (13-14)Polaris 800 Sportsman 6x6 (13-14)