1970-2017 GM 8.5/GM 8.5 in Limited Slip Differential 30 Spline (YDGGM8.5-3-30-1)

Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. This unit uses carrier bearing & race part numbers LM102949 & LM102911 for the 8.5" housing (2.891" Race OD) or LM603049 & LM603012 for the GM 8.6" housing (3.062" Race OD).

Features

• 8.5" & 8.6" GM 2.73 & Up Dura Grip Limited Slip, 30spl; Composite Clutches
• 8.5" & 8.6" GM 30spl DURAGRIP, LRG HUB 2.73&UP POSITRACTION, COMPOSITE CLUTCH
• Fits 8.5" & 8.6" GM with 30 spline axles
• Fits 2.73-and-up gear ratio
• All units are backed by extensive product testing and state-of-the-art software design
• Limited Slip Differential with composite clutches
• Fully rebuildable design and proudly assembled in the USA

Application Notes

• Yukon Dura Grip Positraction / Limited Slip; GM 8.5 & 8.6 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
• Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Front; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
• Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal

Warranty: 1 YR

Weight: 22.37 lbs