The HobbyStar HS-4309LV servo is a super-speed servo with great torque at a terrific price. Combined with all-steel gears for reliable operation and an aluminum center-case to aid in cooling and add strength, this is an ideal servo for 1/10 applications.

Specifications:
Speed @4.8V: 0.09 sec
Speed @6.0V: 0.07 sec
Torque @4.8V: 106 oz/in
Torque @6.0V: 139 oz/in
Pulse/Frequency: 1500µ/330Hz
Dimensions: (LxWxH) 40.5x20x40.5mm
Weight: 57g
Bearing: Dual ball bearing
Gears: Steel
Motor: Digital Core
Input Voltage: 4.8V-6.0V
Output Shaft: 25T spline
Wire Harness Length: 260mm