Richmond Gear 69-0276-1 Differential Ring & Pinion, For Ford 9" Gear Ratio 6.33, 10-Bolt, 28 Spline Pinion & 38 Ring Tooth Fits Ford Cars/Trucks 1955–1986 Replaces F890633, F9633, 80-7469-1, 80-8469-1
- High-performance 6.33 ratio ring and pinion gear set for Ford 9" differentials, ideal for drag racing, off-road, or high-torque applications.
- Precision machined from premium 8620 steel for long-lasting durability and consistent gear meshing under heavy loads.
- Standard rotation 38-tooth ring gear with 28-spline, 6-tooth pinion; 9” outside diameter and 10-bolt dropout-style design.
- Designed for Ford 9" equipped vehicles across a wide range of classic Ford, Lincoln, and Mercury applications from 1955–1986.
- Backed by Richmond Gear’s 2-Year/100,000-Mile warranty; replaces F890633, F9633, 80-7469-1, 80-8469-1 and more.