Carlsson has finally released details regarding the amazing SL CK63 RS which first debuted at the Essen Motor Show.Based on the Mercedes SL 63 AMG, Carlsson reworked the standard car's V8 engine with 525 hp (386 kW) and 465 ft-lbs (630 Nm) of torque to produce 600 hp (411 kW) and 705 Nm (520 ft-lbs) of torque. This pays modest dividends in terms of performance as Carlsson estimates the SL CK63 RS will rocket to 62 mph in 4.1 seconds while the fore mentioned SL 63 AMG is a few ticks slower at 4.5 seconds. The vehicle's top speed has also been increased to 325 km/h (202 mph).

Source: worldcarfans.com