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NEW YUKON GEAR TRAC LOC LIMITED SLIP FORD 9" 31 SPLINE DIFFERENTIAL #YDGF9-31-SM

Product Details

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" Ford with 31 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

4 Pinion Design

Smooth Design for Everyday Use

Gears are cut to provide the strongest teeth possible in any terrain

Technical Notes

This unit has 1.783" bearing journals. This unit will not fit in Strange Engineering aluminum dropouts. 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 requires the use of ring gear bolt part number YSPBLT-014.


Compatible Make / Model:

Ford E-100 Econoline (1969-1983)

Ford Falcon (1960-1970)

Ford F-100 (1957-1983)

Ford Maverick (1970-1977)

Ford LTD (1965-1979)

Ford Bronco (1966-1986)

Ford Thunderbird (1955-1979)

Ford Ranchero (1957-1979)

Ford Galaxie (1959-1967)

Ford Mustang (1965-1973)

Ford Fairlane (1957-1970)

Ford Galaxie 500 (1968-1974)

Ford F-150 (1975-1987)

Ford E-150 Econoline (1979-1988)

Ford Gran Torino (1972-1976)

Ford E-200 Econoline (1969-1974)

Ford E-250 Econoline (1975-1980)

Ford Granada (1975-1979)

Lincoln Continental (1958-1979)

Lincoln Mark III (1968-1971)

Mercury Cougar (1967-1979)

Mercury Comet (1964-1977)

Mercury Grand Marquis (1975-1980)

Compatible Differentials

Ford 9" (9 inch) 28 Spline

Ford 9" (9 inch) Reverse Rotation, 31 Spline


Prop65 Warning WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Technical Notes

This unit has 1.783" bearing journals. This unit will not fit in Strange Engineering aluminum dropouts. 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 requires the use of ring gear bolt part number YSPBLT-014.


Spline Count 31

Gear Ratio All

Clutch Info 4-Tab

Ratio 2.00

EndRatio 8.00

UPC 883584260103

ProxyNumber 26010

Width 11.00 in

Length 11.00 in

Depth 11.00 in

Weight 21.5700 lb

Open box. Please see pictures which are of the actual item you will receive and all components, except the last picture which is a stock photo.