Ford 9" 8620 Street Gear Ring & Pinion sets offer a drop in replacement for any Ford 9" case utilizing standard bolt pattern and bolt size. These gears are Richmond and Motive brand (see in options) and offer a wide variety of gear ratios from 2.50 to 6.00

Note: Don't see the ratio you need? We are adding new ratios daily, give us a call

Made from premium 8620 steel, providing excellent wear resistance and a longer service life compared to standard gear materials. Designed to handle higher horsepower while maintaining quiet operation, ideal upgrade for performance street builds, hot rods, or daily-driven vehicles

• 9" Ring gear diameter
• 1.313" diameter pinion bearing stem
• 28 spline pinion
• 8620 material

Available in the following gear ratios:

• 2.50
• 2.75
• 3.00
• 3.25
• 3.50
• 3.55
• 3.70
• 3.89
• 4.11
• 5.14
• 5.43
• 6.00

Add On Gear Treatments:

• Supra-Fin Polish Ring Gear
• SUBZ - Subzero Treatment for Ring Gear
• PEEN-02 - Shot Peen Ring Gear
• LRG - Lighten Ring Gear