This is Agency Power AP-RZRTS-200-BL Adjustable Rear Radius Arms Blue Polaris RZR Turbo S 2018-2021. Manufactured by Agency Power.
Being able to dial in your Polaris RZR camber and toe settings will be a huge help in how your vehicle handles. Even more important is to have a strong enough component that can handle the abuse the RZR takes when flying through sand whoops or jumping at the course. The factory rear control arms that come on the 2018-2021 Polaris RZR Turbo S are much improved over previous years, however they can still be beefed up and offer adjustment. Designed to work with the wider 72 inch RZR Turbo S models, these also feature a 12mm through bolt to the frame for added rigidity. The new rear radius arms are a fully adjustable solution designed to take a beating. They are machined from solid 6061 aluminum bars. The ends of the control arms are tapped to accommodate the high quality spherical rods ends. The 3/4 inch spherical rod ends have opposing threads and are locked in place with a stainless steel jam nut. Each rod ends through hole is 5/8 inch diameter with steel spacers machined to spec for a secure fit to the rear frame brace or wheel carrier. Each upper and lower radius rod a machined flat so you can easily adjust on the fly using a proper tools.The radius arm kit includes a new 3/16 inch thick rear frame brace that has been precision water jetted out of 1018 steel which will not flex or bend under the hardest conditions. The brace the logo and will retain the factory tow hook function. Each radius rod kit is powder coated to look stylish and be durable.