Drivetrain› Differentials and Rear-End Components
Motive Gear
~(6 lbs. 12X11X2)~ RANDP INST KIT(GM 7.5 10 BOLT 81
SKU: M01Z XL-1044-1
Moderate — 2–4 hours
Description
MIA's Description
This kit includes all necessary components for a full differential rebuild, such as Koyo bearings, seals, gaskets, and hardware. It is engineered to the highest standards with rigid quality control processes and is backed by a 1-year or 50,000-mile warranty.
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 XL-1044-1 |
Videos
Motive Gear Ring & Pinion Install
No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup
How to: Rebuild a GM 8.5in 10 bolt rear differential - Start to finish rear end rebuild in 7 min!
How to set ring & pinion backlash
Noisy Gears Update - New Ring & Pinion
GM 8.5 10 bolt gear setup and final assembly
Proper Break-In Procedure for New Ring & Pinion Gears
Setting Pinion Bearing Preload — Yukon Gear & Axle
How To Install Ring And Pinion Gears
The Easiest Way to Read Ring & Pinion Contact Patterns
How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)
Mustang Motive Rear End Installation and Bearing Kit - 8.8 in. (86-14 V8; 11-14 V6) Review
how to re-gear a GM 8.6" 10-bolt 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.
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