Up & Running Polaris RZR RS1 Rear Knuckle

A Quality Replacement at an Affordable PriceWaiting until your rear knuckle breaks to replace it is a mistake. It’ll cause you to crash which can result in costly damage. Avoid that by replacing them with SuperATV’s Up & Running Knuckles for your Polaris RZR RS1. They’re a direct fit, making them compatible with stock and other aftermarket parts.A Perfect FitOur Up & Running knuckles are a direct replacement for your stock knuckles, so you can run other suspension parts with it. Whether it's SuperATV, stock, or other aftermarket parts, they’ll fit! Plus, it makes servicing your stock wheel bearings easier.Get Ready for Your Weekend RideReplacing your worn knuckles shouldn’t cost an arm and a leg. With SuperATV’s Up & Running Knuckles, you’re getting OEM quality without breaking the bank. With fast shipping, you’ll be ready to hit the trails in no time. Features- Sold individually OEM quality Made of cast aluminum Fitment- Polaris RZR RS1 : 2018-2021 Replacement for OEM part #: Left side: 5140634 Right side: 5140635 (R)