Ford 8.8in Ring & Pinion 4.10 Ratio

The Ford 8.8in Ring & Pinion 4.10 Ratio from MOTIVE GEAR is a precision differential gear set engineered for drivers seeking aggressive acceleration and improved low-end torque multiplication. This performance-grade kit is purpose-built for Ford 8.8-inch differentials, making it an ideal upgrade for muscle cars, trucks, and off-road vehicles that demand responsive throttle response and climbing capability. Whether you're upgrading a street machine or preparing for competitive driving, this ring and pinion set transforms your vehicle's power delivery characteristics.

The 4.10 ratio gear set features a 30-spline pinion design that delivers enhanced mechanical advantage, multiplying engine torque by 4.10 times at the wheels relative to engine RPM. This deeper gear ratio reduces wheel slip during acceleration, maximizes pulling force at lower speeds, and maintains drivability in street applications while unlocking genuine performance gains on the track. MOTIVE GEAR manufactures these components to strict OEM tolerances using high-strength alloy steel, ensuring durability under sustained load and repeated power cycles that would compromise inferior aftermarket alternatives.

This ring and pinion kit is compatible exclusively with Ford 8.8-inch differentials commonly found in Mustangs, F-150 pickups, and other Ford performance platforms. Installation requires professional differential service with proper backlash and bearing preload adjustment—improper setup will result in noise, vibration, and premature wear. The 18.1 lb kit includes both ring and pinion components needed for complete differential rebuilding, making it the economical choice for drivers serious about maximizing their vehicle's acceleration potential and off-the-line authority.