Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt 10000405 plus accessory options line including

plus accessory options line including Adjustable Rear Top Spoiler and Front Top Chin Bar Spoiler

1995-1998 GMC Yukon

Swirl-Torque

21 Tooth GM Speedo Drive Gear

The SMD chips are installed onto a CAD designed 6-layer PCB (Printed Circuit Board) which is very sturdy and will not break if pressured

Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt 10000405 plus accessory options line includingYukon 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