Garage Customer Service Center
Back to Main Menu
Customer Service Center

High performance Yukon Ring & Pinion gear set for GM 8.5" & 8.6" in a 3.90 ratio | YG GM8.5-390 | RANDYS Worldwide

Product Details

Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle. Whether you’ve added tons of horsepower under the hood, upgraded to bigger tires, are just want to optimize the traction performance of your ride, Yukon offers the widest selection of gear ratios on the market to accommodate every need.

  • 8.50" ring gear diameter
  • Fits GM 8.5" and 8.6"
  • 10 ring gear bolts
  • 30 spline pinion
  • 3.90 ratio

Technical Notes

Warranty Information

Warranty information unavailable

Compatible Make / Model

Specification

Upsell YESRP
Brand Yukon Gear & Axle
Prop65 Warning Not Applicable
Keywords 12,NO12,ABS12,PROVISION,12,USE12,OEM12,412,IMPLA12,12,CAPRICE12,w/ab,3.90,8.5,8.6,DIFFRPGM85390,GM,GM10-390,GM8.5-390-YG,RP,YG
Cover Bolts 10
Gear Ratio 3.9
Ratio 3.90
EndRatio 3.90
UPC 883584241591
ProxyNumber 24159
Width 12.00 in
Length 16.00 in
Depth 6.00 in
Weight 18.1600 lb
Brand: Yukon Gear and Axle

High performance Yukon Ring & Pinion gear set for GM 8.5" & 8.6" in a 3.90 ratio

YG GM8.5-390

21 in stock

$458.89 $367.11

Options

Please make a selection for each of the required (*) options above before adding item to cart.
Warehouse Availability
  • CA 0
  • KY 19
  • MN 2
  • TX 0
  • WA 0