2007.5-2018 Ram 2500 & 3500 Tier One 600HP Stage 1 68RFE Transmission

The Tier One Stage 1 68RFE Transmission is a fully built 68RFE transmission designed for mild tuning, heavy towing, and aggressive driving on and off-road. This transmission handles up to 600 horsepower from mild performance tunes, bolt-on upgrades, and single turbo setups. Each Stage 1 transmission includes a billet twin-disc torque converter, billet 4C spring retainer, deep transmission pan, performance rebuild kit, and a high-pressure valve body to improve reliability and power handling.

Tier One’s Stage 1 68RFE is built from fully disassembled OEM cores with all internal components thoroughly cleaned and inspected. The valve bodies are leak-checked and dyno-tested prior to installation. This transmission is backed by a 2-year, unlimited mileage warranty and comes topped off with new seals and gaskets.

Specifications include compatibility with 2007.5-2018 Ram 2500 or 3500 6.7L Cummins trucks, deep transmission pan with increased capacity, billet twin-disc torque converter, high-pressure valve body, billet 4C spring retainer, performance rebuild kit with additional overdrive clutch packs, and OEM line sensors. Designed for towing, off-roading, and mild drag racing applications, this Stage 1 68RFE transmission provides reliable operation and clean shifting while allowing your truck to gain extra horsepower and torque.