Drivetrain› Differentials and Rear-End Components
Revolution Gear & Axle
Ford 9 Inch 31 Spline Full Spool Revolution Gear
SKU: R01K 75-2011-31
Moderate — 2–4 hours
Description
Part #: 75-2011-31
Revolution Gear and Axle Ford 9 Inch 31 Spline Full Spool
MIA's Description
It is a cost-effective option for achieving full traction, making it popular for racing and off-road applications.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
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 | Revolution Gear & Axle |
| Part Number | R01K 75-2011-31 |
Videos
Ford 9 inch gear swap/ upgrade from 28 to 31 spline axles.
WHAT ARE CUT-TO-FIT AXLES? | EXPLAINED
Ford 9 Inch: What You Need to Know About Ford's Champion Axle
Moser Minute --What is Axle Spline?
Review: 1999-2004 Mustang Strange Axle, Spool, & C-Clip Eliminator Kit
8.8 Rear End 35 Spline Axle Upgrade (Full Spool, C-Clip Eliminators, wheel Studs) | Turbo SN95
How to Install a 9 Inch Ford Ring & Pinion Gear Set
Ford 8.8 VS Ford 9", which axle is better?
Ford 9 inch 28 spline vs 31 spline axles!
Why Is the Ford 9 Inch So Good | Nodular Ford 9 Inch Iron Axle
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.
View Full Return Policy