Ford, Lincoln (4WD/RWD) Limited Slip Differential Assembly - Rear - Yukon Gear and Axle - YDGF9.75-34-1

Limited Slip Unit
YDGF9.75-34-1
Yukon recommends the use of high grade GL-5 gear oil and two bottles of Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is allowed but may result in aggressive or noisy operation.
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19-97 FRD/LIN
9.75" Ford Yukon Dura Grip Limited Slip w/ 34 Spl; Composite Clutches
9.75" FORD 34spl DURA GRIP COMPOSITE CLUTCH (needs2additives!)
9.75" Ford Yukon Dura Grip Limited Slip, 34 Spline; Positraction; Composite Clutches
Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.
Fits all Gear Ratios
Fits 9.75" Ford with 34 Spline Axles
Fully rebuildable design and proudly assembled in the USA
Limited Slip Differential with Composite Clutches
All units are backed by extensive product testing and state-of-the-art software design
Yukon Dura Grips feature 4320 chromoly spider gears for ultimate durability
Gears are cut to provide the strongest teeth possible in any terrain