RJX Digital Servo's
Digital FS0390HV HV MIDI CCPM Servo    $92

Operation Voltage: 7.4V-8.4V
Weight:  45g
Torque:  11.2kg/cm@7.4V
               12.3kg/cm@8.4V
Speed:   0.053(sec/60°)@8.4V
               0.065 (sec/60°)@7.4V
Dimension:  15Wx36Lx31.5H mm
Frequence: 1520µs/333hz
Gear Type:   Metal gear
                      Dual Ball Bearing
Motor type:   Coreless motor
Package Info:
1x FS0390HV Servo
2x Servo Arms
4x Rubber Grommets
FS0391THV Specs                            $95  
Digital HV Midi Tail Servo
Operation Voltage:    6V-8.4V
Weight:             50g
Torque:             9.6kg/cm@7.4V
                         10.6kg/cm@8.4V
Speed:             0.03sec/60°@8.4V
                         0.032sec/60°@7.4V
Dimension:    15Wx36LX35.5H mm
Frequence:     760μs/333hz
Gear Type:     Metal gear
Motor type:     Coreless motor