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. thick gear for 3.90 & down carrier.

Product Features:

• Fits 1963-1979 Corvette
• 8.20" ring gear diameter
• 30 spline pinion
• 4.11 ratio
• Thick gear for 3.90 and down carrier