Designed for Ford 10.25" rear axles with a 12-bolt differential cover; perfect for rebuilding differentials on F-250 and F-350 models from 1985 to 1998.
Kit includes: cover gasket or RTV, crush sleeve or preload shim pack, pinion nut, pinion seal, ring gear bolts, pinion and carrier shims, marking compound, thread locking compound, and brush.
Built to OE standards for long-lasting performance and gear alignment—ideal for light-duty truck applications and gear replacement or upgrades.
Compatible with gear sets featuring 8 pinion teeth, 39 ring teeth, 1.94" pinion shaft diameter, and 31-spline pinion design; designed to support 10.25" ring gear outer diameter.
Backed by Motive Gear's 1-year or 50,000-mile limited warranty, ensuring reliability and support for demanding driveline rebuilds.
وصف
Short Summary:
The Motive Gear F10.25IK is a premium differential install kit for Ford 10.25" rear axles (12-bolt), covering Ford F-250 and F-350 trucks from 1985 to 1998. It includes all essential components needed for a professional-grade rebuild or gear install.
Axle Fitment: Ford 10.25" (12-Bolt)
Gear Ratio Compatibility: 4.89 (Example)
Pinion Gear Tooth Count: 8
Ring Gear Tooth Count: 39
Pinion Shaft Diameter: 1.94 Inches
Pinion Spline Count: 31
Kit Components: Crush Sleeve or Shim Pack, Cover Gasket or RTV, Pinion Seal, Pinion Nut, Ring Gear Bolts, Pinion & Carrier Shims, Thread Locker, Marking Compound, Brush
Fits Ford 10.25" Rear Differentials in the following models:
Ford1985–1998 F-250
1985–1998 F-350
Ratech: 121K
Richmond Gear: 83-1059-B
Yukon Gear & Axle: MK F10.25
Backed by a 1-Year / 50,000-Mile Warranty, Motive Gear install kits are engineered for reliability and OE-level performance. Trusted by professionals and enthusiasts alike, Motive Gear delivers consistent quality and dependable drivetrain solutions.