Revolution Rev-F350-513-K Front & Rear 5.13 Ring and Pinion Gear Package | 1993-2009 F250/F350

Features:

• Complete front and rear gear package
• Optimized 5.13 ratio for extreme torque
• Includes master install kits with Koyo bearings
• Fits Ford 10.25" and Dana 60 differentials
• Heat-treated 8620 steel for superior durability
• Ideal for towing, hauling, and off-road use
• Designed for F-250 and F-350 models
• Maximizes power for larger tires
• Enhances acceleration and low-end torque
• Provides smoother, more controlled towing
• Industry-leading 2-Year Warranty included

Superior 5.13 Ratio Gear Package for F250/F350

If you want to run oversized tires, maximize low-end torque, or improve overall off-road performance, a proper gear ratio is essential. The Revolution Gear & Axle 5.13 Ring and Pinion Gear Package is built to help your 1993-2009 Ford F-250 or F-350 regain the power, acceleration, and drivability that can be lost with larger tires. This complete package includes both front and rear ring and pinion gears, along with a master install kit that provides everything needed for a smooth and reliable installation. Whether you're tackling steep grades, crawling over rough terrain, or towing heavy loads, upgrading to 5.13 gears ensures that your truck delivers the power where you need it most. The 5.13 ratio is ideal for trucks running 37-inch tires or larger. If you’ve noticed sluggish acceleration, excessive strain on your transmission, or poor towing performance after installing bigger tires, your stock gears are likely holding your truck back. Compared to lower numerical ratios like 4.10s or 4.56s, the 5.13 gears provide significantly more torque at lower RPMs, making it easier to get your truck moving without excessive throttle input. While this setup does increase engine RPMs at highway speeds, it helps compensate for heavy loads, steep inclines, and demanding terrain. It’s an excellent choice for off-road rigs, towing setups, and trucks that need the strongest possible low-end power without sacrificing too much top-end usability.

Complete Kit with Master Install Kit

Upgrading both front and rear differentials at the same time is critical for four-wheel drive operation, as mismatched ratios can cause serious drivetrain issues. This gear package ensures perfect compatibility and helps avoid costly repairs down the line. The included master install kit simplifies the process by providing Koyo bearings, seals, shims, hardware, and gear marking compound, ensuring that the new gears are set up for long-term durability and quiet operation. With everything included in one kit, you won’t need to track down additional components, saving both time and hassle during installation. Built from heat-treated 8620 steel, these gears are engineered for strength, longevity, and smooth performance. Revolution Gear & Axle is known for its precise manufacturing and strict quality control, ensuring that each set meets or exceeds OEM standards.

Fits: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Ford F250/F350