The Stage 2 6R140 transmission is our most popular unit for the 11-19 6.7 Powerstroke engine, and is rated up to 800 horsepower. This transmission is built with heavy-duty components, including upgraded clutches new modified valve body, billet OD piston, and more- making it more durable and reliable. Mated to this unit is our in-house built captive clutch converter, which provides increased lockup, resulting in better acceleration and pulling power.