The Revolution Gear & Axle Master Install Kit for 2014–2015 RAM 3500 Dually is a conversion ring-and-pinion master kit sized for an 11.8in rear axle. It’s aimed at supporting axle conversion and proper gear installation on dual-rear-wheel 3500 models. This kit specifically addresses the 11.8in rear conversion application on those RAM trucks.
Revolution Gear & Axle 14-15 RAM 3500 Dually 11.8in Rear Conversion Ring & Pinion Master Install Kit