These Rear Trailing Arms will give your RZR a 1 inch Extension. Giving you a 1 inch longer wheel base these will help you tackle those hills that were too much for your stock suspension. These will allow you to run 40 inch or larger tires!! (You will NEED to upgrade your front suspension to clear larger than 30 inch tires on the front). These will maintain factory alignment which means it will not add wear and tear on axles and wheels. These are designed with industry leading CAD software, and made from high strength steel plating. They come with a Lifetime warranty and are built to last. Upgrade your RZR 1000 with Super ATV Rear Trailing Arms today!! - Our Super ATV Rear Trailing Arms generally ship out within 1 business day! - Fits: Polaris RZR 1000 : 2014+ / RZR 4 1000 : 2014+ / RZR XP Turbo : 2016+ / RZR XP 4 Turbo : 2016+ - 1 Inch Rear Offset - Made from high strength steel - Maintains factory rear alignment - Available in multiple colors - Lifetime Warranty on Arms by Super ATV - Manufacturer's part# RTA-P-RZR1K-001 Installation Instructions