2014 GMC Sierra 1500 Differential Rebuild Kit 6.2L Eng. - V8 Eng. - GM 9.76 in. Rear - Conversion Master Overhaul kit - Used to install 2014+ GM 9.5 in. gear set (1.875 in. Pinion) into GM 9.76 in. 12 Bolt Housing. - Rear guaranteed to replace your current 2014 GMC Sierra 1500 Differential Rebuild Kit 6.2L Eng. - V8 Eng. - GM 9.76 in. Rear - Conversion Master Overhaul kit - Used to install 2014+ GM 9.5 in. gear set (1.875 in. Pinion) into GM 9.76 in. 12 Bolt Housing. - Rear. 2014 GMC Sierra 1500 Differential Rebuild Kit comes new OEM 2014 GMC Sierra 1500 Differential Rebuild Kit aftermarket new 2014 GMC Sierra 1500 Differential Rebuild Kit of remanufactured 2014 GMC Sierra 1500 Differential Rebuild Kit 6.2L Eng. - V8 Eng. - GM 9.76 in. Rear - Conversion Master Overhaul kit - Used to install 2014+ GM 9.5 in. gear set (1.875 in. Pinion) into GM 9.76 in. 12 Bolt Housing. - Rear.