Drivetrain› Differentials and Rear-End Components

Eaton

Eaton Posi Differential 28 Spline 1.20in Axle Shaft Diameter 3.08 & Up Ratio Rear 8.2in

$887.95

SKU: E00K 19603-010

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Eaton Posi Differential is a limited-slip differential designed for 1964-72 GM cars with 8.2 inch 10 Bolt, 28-spline axles, and 3.08 and up gear ratios. Use a quality, petroleum-mineral based, GL5 rated 80w-90 gear oil with a four-ounce bottle of friction modifier for optimum performance (if not already present in the gear oil). Suitable for light trail/sand sports, work truck/towing, drag racing, street and muscle, and restoration.

Fitment

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Specifications

BrandEaton
Part NumberE00K 19603-010

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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