Our heavy duty Pro Armor trailing arm sliders are built to last. They are made out of .080 aluminum with ultra-tough HMW sliders pre-installed on each piece to not only protect the armor but make it easier to slide over rocks and other obstacles. Easy to install using existing hardware these armed sliders come with everything you need to install on your Polaris RZR. Sold as a pair. Fits Both 2 & 4 seater XP 1000.