These are an aftermarket replacement for For Polaris OEM part number 5438895 or 5434548. Kit will replace the rear suspension upper, lower and knuckle pivot bushings on one side. Kit Contains: 12 Precision CNC-Machined Nylatron Polyamide Bushings, which feature an impressive 20% higher tensile strength than Delrin FREE STANDARD SHIPPING on all orders placed in the continental USA including HI, PR and AK. Orders received before 2 PM EST on business days will be shipped the same day. No minimum purchase required PEACE OF MIND: Every BossBearing product comes with a 1-year warranty that protects you after your purchase. We are confident that our products will work once installed in your vehicle. But in a rare case that it does not, we will replace it anytime within one year of your order. If you have a problem, we will take every step to assist you