
The matte gold monster features a supercharged 5.4-liter V8 that cranks out 640 PS (471 kW / 631 hp) and 789 Nm (582 lb-ft) of torque.[...]
Source:
worldcarfans Tuning
https://www.tuning-links.com/news_1518_Ford+Mustang+Shelby+GT640+Golden+Snake+by+GeigerCars.html