High performance Yukon Ring & Pinion gear set for Chrylser 8.75" with 42 housing in a 3.90 ratio

Yukon Ring & Pinion sets give you the confidence of knowing youre running gears designed for the harshest of conditions. Whether its 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 is a coarse spline pinion which takes a 10 spline yoke.