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 50 Outlaw 08-16Polaris 50 Predator 04-07Polaris 50 Scrambler 01-03Polaris 90 Outlaw 07-14Polaris 90 Predator 03-06Polaris 90 Scrambler 01-03Polaris 90 Sportsman 01-14Polaris 110 Outlaw 2016Polaris 110 Sportsman 2016