Yukon Dura Grip YDGF9-31-SM - Yukon Trac Loc for Ford 9" wtih 31 spline axles. Street Design

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.

• Fits Ford 9" with 31 spline axles
• Trac Loc positraction
• Clutch style positraction
• Street design
• Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
• Fully rebuildable
• Assembled in the USA

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 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 allowed but may result in aggressive or noisy operation. This unit requires the use of ring gear bolt part number YSPBLT-014.