2011-Up GM 11.5" Rear Differential Master Bearing Install Kit Ring and Pinions - Ford Dana Super 60 Front Reverse 1979-1999 Synthetic Oils and Friction Modifier

Synthetic Oils and Friction Modifier Not Recommended

Chevrolet / Chevy Colorado (2004 - 2013)

5" 30 spline differentials

Paper and Rubber Kit

2011-Up GM 11.5" Rear Differential Master Bearing Install Kit Ring and Pinions - Ford Dana Super 60 Front Reverse 1979-1999 Synthetic Oils and Friction ModifierGM 11. 5" Master Overhaul Kit Description Package Includes: (1) Differential Master Bearing Install Kit *Note: The GM 11. 5" differential had a design change in mid 2011. The early design has a rear pinion race with an O. D. of 4. 125". The later design has an O. D. of 4. 375". This master bearing install kit is for the 4. 375" O. D. size. Contact support if you need help figuring out what differential you have. Our Master overhaul kits come with