Drivetrain› Differentials and Rear-End Components
Richmond Gear/Motive Gear
SPRTMAN FORD 9'
SKU: R01O SFD903
Moderate — 2–4 hours
Description
This matched ring and pinion set is designed for use in Ford 9-inch rear ends, providing long service life in street, street/track, and oval track vehicles.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Richmond Gear/Motive Gear |
| Part Number | R01O SFD903 |
Videos
How to Install a 9 Inch Ford Ring & Pinion Gear Set
Motive Gear Ring & Pinion Install
How to Properly Assemble a Ford 9 Inch Rear for High Performance use #racecar #horsepower
What Gear Ratio Should You Put In Your Car? Gear Ratios, Explained
Ford 9 inch gear swap/ upgrade from 28 to 31 spline axles.
Mustang Gear Install: Ford Racing 8.8 Ring & Pinion | 1986-2009
Gear Ratios 101: What's better? 3.73 or 4.10? | A Simple Breakdown w/ Driving Examples
US GEAR Strange Engineering Ford 9 Inch Ring and Pinion Installation
Noisy Gears Update - New Ring & Pinion
How to change gears and add a limited slip to a Ford 9-inch
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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