This is the Futaba BLS671SVi High Voltage SBus 2 Mini Servo.

Features

Designed for 1/12 scale electric powered cars that require high
torque and high speed
Coreless motor
One year limited warranty through Hobby Services beginning at date of
purchase

Includes

Futaba BLS671SVi High Voltage SBus 2 Mini Servo, 0.81" (20.5mm)
round Horn, 1.5" (39mm) 4-point Horn, 1.2" (32mm) 6-point Horn
four each Grommets, Eyelets, and Screws
SVi Connector and Instructions

Specifications

6.6V 7.4V
Speed: 0.11 sec/60° 0.10 sec/60°
Torque: 102.8 oz-in (7.4 kg-cm) 115.3 oz-in (8.3 kg-cm)
Size: 1.30 x 0.59 x 1.07" (33 x 15 x 27.1mm)
Weight: 0.99oz (28.0g)
Rated Voltage: DC6.0V - 7.4V
Operating Voltage: DC4.0 - 8.4V

SBus Programmable Defaults
Dead Band Degree: 0.30
Damper Factor: 80
Stretcher Gain: 2
Boost: 25
Neutral Offset Degree: 0
Travel Adjust Percentage: 100%
Reverse (Normal/Reverse): Nor
Stop Mode (Free/Hold): Hold
Buzzer (On/Off): Off
Smoother (On/Off): On
Boost (On/Off): Off
Soft Start: 3.0