2004 Hummer H2 Ring and Pinion Set 4WD - GM 9.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 5.38 Ratio - Front guaranteed to replace your current 2004 Hummer H2 Ring and Pinion Set 4WD - GM 9.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 5.38 Ratio - Front. 2004 Hummer H2 Ring and Pinion Set comes new OEM 2004 Hummer H2 Ring and Pinion Set aftermarket new 2004 Hummer H2 Ring and Pinion Set of remanufactured 2004 Hummer H2 Ring and Pinion Set 4WD - GM 9.25 in. Front - IFS - Reverse Rotation - Ring and Pinion Set - 5.38 Ratio - Front.