- ✅ High-Torque 5.57 Gear Ratio – Designed for extreme power transfer, enhanced acceleration, and maximum towing capacity, perfect for Ford 9-inch rear differentials.
- ✅ Lightweight 8620 Steel Gear Set – High-strength steel construction reduces rotational mass while providing durability for racing, towing, and off-road performance.
- ✅ Standard Rotation for Rear Differentials – Engineered for smooth and reliable power delivery, ensuring consistent performance under heavy loads and high speeds.
- ✅ Direct Fit for Classic & Performance Vehicles – OEM-spec replacement for Ford and Mercury models, making it ideal for restorations, performance upgrades, and heavy-duty applications.
- ✅ Perfect for Drag Racing, Off-Road & Heavy Load Applications – Built for extreme conditions, providing optimal traction, durability, and efficient drivetrain performance.


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Motive Gear (F890557AX) 5.57 Ratio Ring & Pinion for Ford 9″ Rear Differential 28-Spline – Lightweight Performance Gear Set – Fits Bronco, F-150, Mustang, Torino, Cougar –…
*$1,606.20
Informação adicional
Manufacturer | Motive Gear |
---|---|
Brand | Motive Gear |
Model | Ring and Pinion |
Item Weight | 17 pounds |
Product Dimensions | 15 x 11 x 5.25 inches |
Item model number | F890557AX |
Is Discontinued By Manufacturer | No |
Exterior | Machined |
Manufacturer Part Number | F890557AX |
OEM Part Number | F890557AX |
Date First Available | June 23, 2010 |
Amazon Customer –
OEM and NOT a knock off. Great price and fast shipping.
Amazon Customer –
Looks like a quality part, going to use it in a dirt late model.
Wally Stewart –
Working good so far, two races on it, still good.