The BD 68RFE ProForce Torque Converter is designed for stock and modified 6.7L Diesels, from 350 to 550 flywheel horsepower, used in street and towing applications, at a great price. Featuring BD's exclusive "Enhanced Stall" performance cast aluminum stator that improves efficiency and durability for low RPM response in stock to higher horsepower applications. The 68RFE ProForce uses a billet forged front cover machined with thicker walls and stronger mounting pads and a 11.625 inch dual-clutch. The turbine fins are furnace-brazed for improved fluid coupling efficiency and new piston damper springs are installed for longevity and durability.