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Ferrari LaFerrari FXX K Revealed
Viknesh Vijayenthiran
Dec 3, 2014

Ferrari’s new track-only version of its LaFerrari flagship is the FXX K, where the K refers to the special kinetic energy recovery system (KERS) fitted to the car. The FXX K has been revealed today ahead of its official debut at the Finali Mondiali event taking place at Abu Dhabi’s Yas Marina circuit later this week. The event is Ferrari’s annual celebration of the end of the motorsport season and brings together all of its separate sporting divisions, including the XX program.

Like Ferrari’s previous XX cars, also known as experimental cars, the FXX K will form part of Ferrari’s Corse Clienti customer racing program and be offered exclusively to the brand’s most loyal customers, although it’s not unusual to find XX cars for sale on the used car market. As the cars are all designed for track-use only, it means they can’t be registered for the road.

The powertrain used is similar to the one found in the LaFerrari, in that it features a naturally-aspirated 6.3-liter V-12 paired with a seven-speed dual-clutch transmission and electric drive system. The engine alone is rated at 838 horsepower and 553 pound-feet of torque, and with the electric drive system peak output rises to 1,035 hp and torque is said to be more than 663 lb-ft. By comparison, the stock LaFerrari is rated at 950 hp and more than 660 lb-ft of torque, and McLaren’s rival to the FXX K, the P1 GTR, comes with 986 hp.

The big V-12 features new camshafts and a modified valve train with mechanical rather than hydraulic tappets. The intake manifolds have been redesigned and given a special type of polishing treatment, and the exhaust system has been modified as its silencers have been eliminated (click here to hear what that sounds like).
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