Yukon Gear & Axle ring and pinion set for Ford 8.8" differentials in a 3.90 ratio is built to OEM fitment specifications with high‑grade steel and engineered tooth surfaces to reduce friction and heat. Yukon applies advanced heat treating and quality testing and backs gear sets with its Y.E.S. Plan, a lifetime protection program while you own the vehicle.
Yukon Gear Set for 8.8in Ford in a 3.90 Ratio