OEM Ring & Pinion set for GM 8" in a 3.73 ratio.
Original Factory gear for GM 8" in a 3.73 ratio. for Trail Blazer and Envoy only. OEM gears are recommended for quiet applications where noise may be an issue. Factory gears are the quietest application available on the market and often come at a higher c
Special Fitment Notes
Manufacture Part Number
You have no items to compare.