This is the Savox SV-1273TG Ultra Speed High Voltage Titanium Gear Digital Servo
'Plus' series servos feature Soft Start and Sanwa SSR compatibility.
Features:Super strong, precision made titanium gears provide durability that will survive heavy use.
Capable of HV operation.
Ideal for 110 buggies and some heli applications
Specifications:Torque @ 7.4V - 20.0kg277.7oz-in
Torque @ 8.4V - 25.0kg347.2oz-in
Speed @ 7.4V - 0.065 sec60 deg
Speed @ 8.4V - 0.055 sec60 deg
Dimensions L x W x H (mm): 40.3 x 20.2 x 37.2