If you are looking for one reliable and with faster speed servo for 8th scale model, you can't miss this A81BHP. 23KG torque and 0.052Sec super speed @ 8.4V. Ideal choice for the device or model request high speed.

Fully upgrade from design and material for the whole servo, incredibly hardened stainless steel gears and pin shaft, superb reliable and smooth three ball bearings, wide-voltage capability to avoid additional adapters or regulators, super power brushless motor, which delivery ultra high torque and high speed in standard size with low current consumption. Dust and water resistant enable to run on the wet glass. Besides, it also continue programmable feature , which enable to adjust the servo parameter by USB programmer for different application. 

Feature

Heat Sink Fast Cooling Design

Robust Steel Gears and Shafts

Super Strong Three Ball Bearings

Long Lifespan Brushless Motor

Programmable Digital Circuit

Lightning-Quick Speed

High-Voltage Compatible

Splash and Dust Resistant

Aluminum Single Arm Servo Horn

Ideal for Any 1/10 to 1/8 Scale Vehicle Application (such as 1/8 On-Road Cars, 1/10 Nitro Touring, even 1/8 EP and GP Buggies)

Specification

A81BHP

Operating Voltage: 4.8-8.4V

Operating speed: 0.070sec/60° @ 6.0V

Operating speed: 0.060sec/60° @ 7.4V 

Operating speed: 0.052sec/60° @ 8.4V 

Stall Torque: 16 kg-cm (222 oz-in) @ 6.0V

Stall Torque: 19 kg-cm (264 oz-in) @ 7.4V

Stall Torque: 23 kg-cm (320 oz-in) @ 8.4V 

Gear: Steels

Motor: BLS

Size: 40*20*37.5mm (1.57 x 0.78 x 1.47 in)

Weight: 78g 

Connector Wire: TYU 300 mm