Eaton GM 8.5in Front Master Install Kit Two Friends (DVD) Scholastic Storybook Treasures **VG** EX LIBRARY OOP. Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differential or replace your ring and pinion, in one box. Premium bearings and components ensure long life and quiet operation. Includes all necessary components to complete installation Reference Eatons application guide to confirm part fitment For Eaton: 187C149A; 187C148A; 912A557; 19557 010 Fits 1991 and Older Applications Eaton only uses premium bearings For Eaton: 19559 010; 19659 010 Front