The VelociRaptor 600 Ford Raptor, upgraded to 558 HP by Hennessey Performance, chassis dyno pull is a transparent display of power and performance of our 558 bhp Hennessey upgrade. In the above video, the VelociRaptor 600 undergoes rigorous chassis dyno pulls, where its horsepower and torque output are measured and recorded. The upgraded Ford Raptor produces an incredible 558 horsepower and 672 lb-ft of torque, making it one of the most powerful Ford Raptors ever built.