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Drivetrain› Differentials and Rear-End Components

Eaton

Differential Builder Kit

$711.84 $648.00 Save $63.84

SKU: POSI-GM8.6-RA

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

It operates by smoothly transferring power to the wheel with better grip, preventing wheel slip. This unit features race-bred carbon friction discs and a rebuildable design that can be custom-tuned for specific performance needs.

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

BrandEaton
Part NumberPOSI-GM8.6-RA
CategoryDrivetrain

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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