The BD ProForce 4D torque converter for 2011–2016 Ford 6.7L PowerStroke trucks (F250/F350/F450/F550) is built for heavy towing and modified engines, rated for roughly 900+ hp applications. It uses four clutch surfaces, a CNC-machined forged cover to prevent warping, billet piston and bearing hub, performance cast aluminum stator, and a stamp-forged steel front cover. Components are designed for improved clamping and durability.
BD Diesel 2011-2016 Ford F250/F350/F450/F550 6.7L Proforce 4D Torque Converter