The Savox SW-2210SG Brushless Waterproof Premium Digital Servo is perfect for Monster Truck and most Scaler and Crawler applications where a slightly taller servo can be fitted.

Specifications:
Gears: Precision steel
Torque @7.4V: 500oz-in
Speed @7.4V: 0.11 sec
Waterproof: Yes - IP67 standards (operates for up to 30 minutes in water up to 3 feet deep)