The Ferrari FXX K is a track-only supercar produced by Ferrari from 2014 to 2018. It is based on the LaFerrari, but with a number of modifications to improve its performance on the track. These modifications include a more powerful engine, a more aggressive aerodynamic package, and a stiffer suspension. The FXX K is powered by a 6.3-liter V12 engine that produces 860 horsepower. It has a top speed of 220 mph and can accelerate from 0 to 60 mph in just 2.9 seconds. The FXX K is one of the most extreme and powerful track cars ever produced. It is a true beast on the track and offers its drivers an exhilarating and unforgettable experience.