Sale

Drivetrain Differentials and Rear-End Components

Eaton

Limited-Slip Differential Carrier

$489.06 $445.00 Save $44.06

SKU: POSI-GM12C-3-RA

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

Moderate — 2–4 hours

Description

The Rigid Axle POSI-GM12C-3-RA is a limited-slip positraction differential carrier designed for GM 8.875" 12-bolt car applications from 1963-1982. It features Raybestos composite clutches for smooth and aggressive traction and a forged steel carrier case for strength and reliability. This unit is Eaton style, making it serviceable and rebuildable.

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-GM12C-3-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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