Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt BR40065 all in one package

all in one package

Built-in GPS with speed

Power - Fuel Economy And Towing Tunes

Lokar Floor Mount Parking Brakes

Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt BR40065 all in one packageYukon Gear Ring & Pinion Gear Set For GM 8. 5" & 8. 6" Differential, 4. 56 Ratio Fits GM 8. 5'', 4. 56 ratio. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up 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