Designed for the difficult operating environment of the ATV/UTV industry, this bearing is a premium EMQ quality, hi-speed bearing.One kit per side required, two total required to change out front; two total required to change our rear.Features precision high speed bearings manufactured to ABEC3 standards.Each front kit repairs one wheel, purchase 2 kits to complete both wheels.This kit comes with wheel bearing only.This item fits the following applications:Polaris 300 Xplorer 4x4 1999Polaris 325 Magnum 4x4 00-01Polaris 325 Xpedition 00-01Polaris 425 Xpedition 00-01Polaris 500 Magnum 4x4 99-01Polaris 250 Trail Boss 4x4 1995Polaris 300 4x4 94-95Polaris 300 Xplorer 4x4 96-98Polaris 400L Big Boss 6x6 96-97Polaris 400L Magnum 6x6 96-97Polaris 400 Scrambler 4x4 95-97Polaris 400 Sportsman 4x4 95-97Polaris 400L Xplorer 4x4 95-98Polaris 425 Magnum 4x4 95-98Polaris 500 Big Boss 6x6 98-99Polaris 500 Scrambler 4x4 1997Polaris 250 Xplorer 4x4 00-02Polaris 400 Scrambler 4x4 98-02Polaris 400L Xplorer 4x4 99-02Polaris 500 Big Boss 6x6 00-03Polaris 500 Scrambler 4x4 1998Polaris 500 Scrambler 4x4 99-01Polaris 500 Scrambler 4x4 02-09Polaris 500 Sportsman 6x6 00-08Polaris 325 Magnum 4x4 2002Polaris 325 Xpedition 2002Polaris 425 Xpedition 2002Polaris 335 Sportsman Type 1 1999Polaris 335 Sportsman Type 2 99-00Polaris 335 Worker Type 1 1999Polaris 335 Worker Type 2 1999Polaris 400 Sportsman 4x4 01-03Polaris 400 Sportsman 4x4 AA AE AG 2004Polaris 500 Sportsman 4x4 96-98Polaris 500 Sportsman 4x4 1999Polaris 500 Sportsman 4x4 99-00Polaris 500 Sportsman 4x4 HO 01-03Polaris 500 Sportsman 4x4 HO AA/AC/AE/AG 2004Polaris 500 Worker Type 1 1999Polaris 500 Worker Type 2 99-02Polaris 500 Xplorer 1997Polaris 500 Ranger 4x4 1999