Engineered for the most demanding applications, S3 Power Sports' Titan Polaris General / RZR S 1000 / RZR S 900 HD Bushing Kits outlast and outperform all other bushing kits on the market. These direct OEM replacement bushings offer a snug fit and superior wear protection. Plus, since they are self lubricating, you don't need to grease them! These HD Bushing Kits replace those in your Polaris General / RZR S 1000 / RZR S 900's Front A-Arms, Rear A-Arms, and Rear Knuckles.