【Vehicle Fitment】Polaris Ranger 500 570 800 2009-2016 / RZR 4 800 900 1000 2010-2018 / RZR XP 900 1000 2011-2020 / RZR XP 4 900 1000 2013-2020 / RZR RS1 2018-2020 【Interchange Part Number】1911283, 1911284, 1912255, 1912256, 1912134, 1912135, 1912261, 1912262, 1912497, 1912498, 1913060, 1913061 【Advatange of Yezoauto Brake Caliper 】1.Enhanced Stopping Power 2.Faster Response 3.Improved Heat Management 4.Better Wet Performance 5.Durable Construction 6.Robustness 7.Even Pressure 8.Increased Safety 9.Ideal Replacements 【Installation】1.Remove Wheel 2.Access Caliper 3.Remove Old Pads 4.Remove Caliper 5.Mount New Caliper 6.Install New Pads 7.Reassemble & Refill 8.Bleed Brakes (Essential!) 9.Test 【1-year Warranty】Yezoauto is committed to providing better service and products to our customers, we make sure that every assembly line is harshly inspected and 100% tested before assembly to ensure as much as possible that the product will not have problems. If you encounter any problems during the use of the product, please leave us a message, we will give you a satisfactory answer within 18 hours! 1