2007 GMC Yukon XL 1500 Ring and Pinion Set RWD - GM 9.5 in. Rear - w/ 14 bolt cover - 3.42 Ratio - Ring and Pinion Set - 30 Spline Pinion - Rear guaranteed to replace your current 2007 GMC Yukon XL 1500 Ring and Pinion Set RWD - GM 9.5 in. Rear - w/ 14 bolt cover - 3.42 Ratio - Ring and Pinion Set - 30 Spline Pinion - Rear. 2007 GMC Yukon XL 1500 Ring and Pinion Set comes new OEM 2007 GMC Yukon XL 1500 Ring and Pinion Set aftermarket new 2007 GMC Yukon XL 1500 Ring and Pinion Set of remanufactured 2007 GMC Yukon XL 1500 Ring and Pinion Set RWD - GM 9.5 in. Rear - w/ 14 bolt cover - 3.42 Ratio - Ring and Pinion Set - 30 Spline Pinion - Rear.