The following items will work as a direct replacement

Powerful brushless motor for lightning-quick speeds
Reedy's all-new HV Digital Aluminum Brushless Servos are race proven and feature numerous enhancements including precision metal gears for added strength and smooth operation, a powerful brushless motor for lightning-quick speeds and maximum torque, and an advanced microprocessor that improves vehicle control. Its state-of-the-art CNC-machined aluminum case increases rigidity while lowering operating temperatures for fade-free operation.
Features
- Water and dust resistant
- Full aluminum case
- Powerful brushless motor
- Ultra-precise metal gears
- Dual ball bearings
- High-voltage compatible
This part fits the following vehicles
- RC10B6.3
- RC10B6.3D
- RB10
- Rival MT8
- RC10B74.2
- RC10B74.2D
Manuals/Documents
- Digital Brushless Servos -- manual and specs (1.05 Mb)
- Digital Brushless Servos -- press release (500.81 Kb)
- Reedy Servo Application Chart (95.99 Kb)