1973 GMC Suburban Ring and Pinion Set K25/K2500 Suburban - 5.0L Eng. - V8 Eng. - Dana 60 Reverse Ratation And GM 14T - 5.38 Gear Ratio - Rear guaranteed to replace your current 1973 GMC Suburban Ring and Pinion Set K25/K2500 Suburban - 5.0L Eng. - V8 Eng. - Dana 60 Reverse Ratation And GM 14T - 5.38 Gear Ratio - Rear. 1973 GMC Suburban Ring and Pinion Set comes new OEM 1973 GMC Suburban Ring and Pinion Set aftermarket new 1973 GMC Suburban Ring and Pinion Set of remanufactured 1973 GMC Suburban Ring and Pinion Set K25/K2500 Suburban - 5.0L Eng. - V8 Eng. - Dana 60 Reverse Ratation And GM 14T - 5.38 Gear Ratio - Rear.