Ford 9" - 3.89 Yukon Ring and Pinion

Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off-road, or at the track; Yukon ring and pinion sets deliver unrivaled performance and quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up.