Engineered for the most demanding applications, S3 Power Sports' Titan Polaris RZR RS1 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 RZR RS1's Front A-Arms.