Yukon Ring & 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 & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set is designed for 1993 and newer trucks. When installing this gear set in a 99-'06 10.5" housing you will need a PK F10.25 or YK F10.25 kit. If installing into a '07-'10 10.5" housing, use a PK F10.5-B or YK F10.5-B kit. If installing into a '92 & down housing a new yoke will be needed.