Revolution F8.8-410R Ford 8.8in Front IFS 4.10 Ring and Pinion Gear | 1997-1999 F250

Features:

• Designed for Ford 8.8-inch IFS differentials
• Optimized 4.10 gear ratio for better performance
• Reverse rotation design for IFS applications
• Improves towing and low-end torque
• Enhances fuel efficiency at highway speeds
• Precision-cut for smooth, quiet operation
• Made from high-strength 8620 steel
• Heat-treated for maximum durability
• Ideal for off-road and heavy-duty use
• Preferred by installers for easy setup
• Backed by a 2-Year Manufacturer Warranty

Premium Front Gear Upgrade for Ford F250 Super Duty

If you're looking to restore power, improve performance, or accommodate larger tires on your 1997-1999 Ford F-250, upgrading your front differential gearing is a smart move. The Revolution Gear & Axle 4.10 Ring & Pinion Gear Set is designed specifically for the Ford 8.8-inch independent front suspension (IFS) differential, featuring reverse rotation gearing to match the unique design of the front axle. Whether you’re re-gearing to correct for oversized tires, looking for better low-end torque, or simply replacing worn-out gears, this upgrade ensures your truck runs more efficiently in demanding conditions. The 4.10 gear ratio is a solid choice for trucks that see a mix of on-road and off-road driving. Compared to lower numerical ratios like 3.55s or 3.73s, the 4.10s provide stronger low-end torque and improved throttle response, making them ideal for towing, hauling, or navigating rugged terrain. While higher numerical ratios like 4.56s or 4.88s offer even more low-end power, they also increase engine RPMs at highway speeds, which can impact fuel economy. The 4.10s strike a great balance, giving you more power off the line without excessive revving on long drives. If you've added 33-inch or slightly larger tires, this gear ratio helps bring your truck’s powerband back in line with factory performance.

High-Quality Construction with Reverse Rotation Design

One key feature of this gear set is its reverse rotation design, which is necessary for the Ford 8.8 IFS front differential. Unlike solid front axles, which use standard-cut gears, IFS setups require reverse-cut gears to handle the direction of power transfer properly. This design also contributes to better strength and durability, as the gear teeth engage in a way that reduces stress under load. For trucks that see off-road use, deep snow, or muddy job sites, having the right gearing in your front differential is crucial for maintaining control and maximizing traction. Durability is a major factor when selecting a ring and pinion upgrade, and Revolution Gear & Axle delivers on all fronts. Each gear set is CNC-machined from high-strength 8620 steel, then heat-treated for added durability, ensuring it can withstand the demands of towing, off-roading, and heavy-duty applications. The precision-cut gear teeth also help minimize noise and wear, providing a smooth, quiet operation once properly installed. Installing a new ring and pinion gear set requires precise setup, and professional installation is recommended to ensure the correct pinion depth, backlash, and gear pattern. Proper break-in procedures are also essential to prevent premature wear and extend the life of your gears.

Fits: 1997, 1998, 1999 Ford F250 Super Duty

Specifications:

• Gear Rotation: Reverse
• Pinion Splines: 30
• Ring Gear Diameter: 8.8 Inch
• Ring Gear Bolt Thread: 10 x 7/16"
• Carrier Break: No Carrier Break
• Cover Bolts: 10 Bolt
• Differential: Ford 8.8 Inch
• Material: 8620