JEGS 62840 Posi Traction differential for use in 1997-2019 Ford/Lincoln Trucks with Ford 9.75" rear differential provides smooth limited-slip aggressive traction on various terrains. This Posi unit is manufactured using a high-strength nodular case, forged 4320 chromoly spider gears, and Raybestos composite clutches for strength, durability, and long life. Whether you're pulling a trailer, hauling a load, or enjoying a ride on the street you will experience incomparable positraction performance.

Technical Note: JEGS recommends the use of high-grade Non-Synthetic GL-5 gear oil 555-28054 and LSD (Limited-Slip Differential) additive 555-60120 for smooth operation and long life. The use of Synthetic oil is not recommended and may result in noisy or aggressive operation.