Drivetrain› Differentials and Rear-End Components
Motive Gear
~(5.1 lbs. 4X4X4)~ MINI SPOOL FORD 8.8 31 SPLINE
SKU: M01Z 78-8831-1
Moderate — 2–4 hours
Description
This mini spool eliminates the need for costly limited-slip differentials, offering a cost-effective upgrade. It is designed for direct fitment with factory or aftermarket 31-spline axles. Professional installation and proper setup are required.
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 | Motive Gear |
| Part Number | M01Z 78-8831-1 |
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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