Street or Off-Road Use , Ratio: 4., 56 Application: 1993-1998 Ford 10.25 Sterling Rearend (will also fit 1999-2006 models when used with HM807044 & HM807010 inner pinion bearing). See full... Motive Gear Ring and Pinion Engineered. 1993-1998 FORD F250 F350 10.25 - 4.56 RING AND PINION 4.56 Ratio Gear Set Revolution Gear And Axle Ring And Pinion For Ford 10.25" And 10.5 Performance Ring And Pinion Engineered to the highest standards, every Motive Gear Ring and Pinion goes through rigid quality control processes in our in-house lab Ford 10.25" Motive Gear Koyo Pinion Kit – Rigid Axle With a broader line of ring and pinion gears than any other aftermarket manufacturer, Motive Gear is the number one choice for distributors world-wide. A division of Midwest Truck and Auto Parts, Motive Gear offers the highest quality drivetrain components on the market today.