Ford 8.8 Inch Differential Ring And Pinion Set With 3.55 Gear Ratio, 30-Spline, 10 Bolt, Beefed-Up Torque Upgrade For Mustang, Ranger, Explorer, F-150, Lincoln, Mercury And More
✔️ 3.55 ratio, 30-spline, direct-fit 10-bolt 8.8 diff
Motive Gear F8.8-355A Ring & Pinion Set upgrades your Ford 8.8 inch differential with a 3.55 gear ratio. Manufactured from premium 8620 steel, heat-treated for wear resistance, this direct-fit replacement uses 30-spline, 10-bolt compatibility for a factory-like install across 1980-2020 Ford, Lincoln, Mazda and Mercury models.
✅ Premium 8620 steel construction with heat-treated wear resistance
✅ 3.55 gear ratio optimizes torque transfer and acceleration
✅ OE direct-fit for easy installation and factory-like performance
✅ Compatible with Ford, Lincoln, Mazda, Mercury models (1980-2020)
✅ Replaces Richmond 49-0103-1, EXCEL F88355, Motive F8.8-355
💡 What is a ring and pinion set used for in a rear differential?
It's a handy upgrade that improves torque response and drive quality for daily driving and towing.
- Improves torque handling and power transfer in rear axles - Helps tune gear ratios for towing and daily driving - Requires proper backlash and setup for long life