2008 GMC Yukon XL 1500 Ring and Pinion Set 4WD - GM 8.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 3.08 Ratio - Fits 3.23 & Down Carrier Case - Front guaranteed to replace your current 2008 GMC Yukon XL 1500 Ring and Pinion Set 4WD - GM 8.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 3.08 Ratio - Fits 3.23 & Down Carrier Case - Front. 2008 GMC Yukon XL 1500 Ring and Pinion Set comes new OEM 2008 GMC Yukon XL 1500 Ring and Pinion Set aftermarket new 2008 GMC Yukon XL 1500 Ring and Pinion Set of remanufactured 2008 GMC Yukon XL 1500 Ring and Pinion Set 4WD - GM 8.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 3.08 Ratio - Fits 3.23 & Down Carrier Case - Front.