What specific differential components are included in this kit?

This master installation kit includes premium bearings and all other necessary components for the proper installation of your differential or ring and pinion. It is designed for GM 8.5-inch ring gear third-member differentials.

What are the spline counts for the axle and pinion in this kit?

This kit is for differentials with a 17-spline axle and a 30-spline pinion. It is designed for standard rotation differentials.

Does this kit include the differential itself?

No, this is a master installation kit that provides all the components needed to properly install an Eaton differential or to replace your ring and pinion. The differential unit itself is not included.

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Trusted Since 1957

Est. 1957

Eaton GM 8.5in 3rd-Member Master Install Kit

Specifications

Brand: Eaton
Part #: K-GMCOR-79IRS

Eaton GM 8.5in 3rd-Member Master Install Kit

Name: Eaton GM 8.5in 3rd-Member Master Install Kit
Brand: Eaton
Price: 192.52 USD
Availability: InStock

$192.52

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Fits 1963-1979 and 1985-1996 Chevrolet Corvette. This Eaton differential install kit includes all components needed for proper installation of your differential or ring and pinion.

Key Features

Fits 1963-1979 and 1985-1996 Chevrolet Corvette.
Includes all necessary components to complete differential installation.
Features premium bearings for long life and quiet operation.
Designed for GM 8.5-inch ring gear third-member differentials.
Kit includes parts for differentials with 8 cover bolts and 10 ring gear bolts.
Has 17 axle splines and 30 pinion splines.

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Fits this vehicle

Chevrolet Corvette 1963-1979, 1985-1996

Product Details

When you're ready to upgrade your differential or replace the ring and pinion in your 1963-1979 or 1985-1996 Chevrolet Corvette, this master installation kit from Eaton has you covered. It bundles all the essential components you need to get the job done right, making the process much smoother than sourcing each part individually.

Inside this kit, you'll find premium bearings and other necessary components selected by Eaton to ensure a long service life and quiet operation once installed. This kit is specifically designed for GM 8.5-inch ring gear third-member differentials, featuring 8 cover bolts and 10 ring gear bolts, with 17 spline axle and 30 spline pinion counts. It's set up for standard rotation differentials.

Having all the correct parts in one box simplifies the installation process, whether you're installing a new Eaton differential or just replacing your ring and pinion set. Always refer to Eaton's application guide to confirm fitment for your specific differential model.