...The Mercury Racing NXT Sterndrive/Transmission was designed for any engine in the 600 to 800 horsepower range, with an input shaft maximum torque rating of 800 foot pounds. Hasn't been produced in a couple of years now...originally introduced in 2006 thru 2016... https://tse3.mm.bing.net/th?id=OIP.C...7AHaH6&pid=Api
