American Star 100% Liquid Injected Delron "Self Lubricating" Polaris Ranger A-Arm Bushing's Fits: 2010-2017 Polaris Ranger 800 6x6 Replaces Polaris Part # 5439270, 5438895, 5436972, 5434548, 5433063, 5432091, 5431846 Includes One Full Set of 48 Bushings to Fit All Rear A-Arms. Precision American Star Liquid Delron Injected A-Arm Bushings These Liquid Precision Mold Injected bushings are superior to other companies machined Delron, Delrin and Nylatron Polymide. Bushings. The tolerances on our bushings NEVER vary. They are always exactly the same! Machined bushings are subject to both machine and setup errors. Measure a machined bushing and you will find that none of them are exactly the same. Additionally most other bushings are a mixture of the main material and lower grade plastics. Our Bushings are All Delron (Delrin) and we never sacrifice quality to make an extra buck! Over the last 8 years we have sold over 5 Million of these bushings and never had one come back. This product speaks for itself!