Eaton GM 7.75in GTO IRS Master Install kit

With 27 spline axle and 28 pinion spline counts, this Eaton master differential install kit is built for the specific needs of your 2004-2006 Pontiac GTO's 7.75-inch IRS. When you're ready to install a new Eaton differential or replace your ring and pinion, having all the right parts in one box makes the job much smoother. Eaton includes premium bearings in these kits, which are key for ensuring quiet operation and long life for your drivetrain components.

This kit contains everything you need to get your GTO's rear end set up correctly. It's designed to work with standard rotation gears and accounts for the 8 cover bolts and 10 ring gear bolts specific to this application. Using a well-built kit like this helps ensure that your new gears mesh properly and operate without premature wear.