According to them they offer the CFM567B.

Miscellaneous:

Squawkbox Support. With engine CFM567b: 18/20/22/24/26/27. Interactive Configuration Manager. Many custom configuration options. Detailed operation manual,tutorial and QRH included. Aircraft performance calculated directly from flight model parameters. New very smooth GDI+ based CRT displays. With sound package. More than 44500 SIDs/STARs included. Ground support and push back.

And this is the wiki on the CFM567B.

CFM56-7B specifications Model Thrust Bypass ratio Pressure ratio Dry weight Applications CFM56-7B18 19,500 lbf (86.7 kN) 5.5 32.7 5,216 lb (2,370 kg) Boeing 737-600 CFM56-7B20 20,600 lbf (91.6 kN) 5.4 32.7 5,216 lb (2,370 kg) Boeing 737-600, Boeing 737-700 CFM56-7B22 22,700 lbf (101 kN) 5.3 32.7 5,216 lb (2,370 kg) Boeing 737-600, Boeing 737-700 CFM56-7B24 24,200 lbf (108 kN) 5.3 32.7 5,216 lb (2,370 kg) Boeing 737-700, Boeing 737-800, Boeing 737-900 CFM56-7B26 26,300 lbf (117 kN) 5.1 32.7 5,216 lb (2,370 kg) Boeing 737-700, Boeing 737-800, Boeing 737-900, BBJ CFM56-7B27 27,300 lbf (121 kN) 5.1 32.7 5,216 lb (2,370 kg) Boeing 737-800, Boeing 737-900, BBJ/BBJ2, AEW&C