RCD/Hitec HS-525MGJ Hi-Speed Servo. This version has the New Airtronics Z, Hitec S or JR connector.
Metal Gear, Super Torque Servo with Hitec, JR and Airtronics Z connector.
Ultra Torque, Metal Gear Servo with a Hitec, JR, or Airtronics-Z Style Connector.
Hitec Digital, Super Speed, Metal Gear, Programmable Servo that will work with Hitec S, JR, and Airtronics-Z radio systems.