This is a high-voltage servo capable of operating directly from a properly connected 4S LiPo power source

Nurnberg 1977

Savox SGSV1274MG Servo Gear Set w/Bearings For SV1274MG

Hpi Racing 15269 Slide Valve KA series Nitro Star K4

Pre-installed 10 tooth pinion gear

ARRMA 1/7 LIMITLESS 120 8S BLX 4X4 RTR Speed Machine w/ AVC Color:White This is a high-voltage servoARRMA 1 7 LIMITLESS 120 8S BLX 4X4 RTR Speed Machine w AVC The ARRMA LIMITLESS 120 8S BLX is built for serious speed run RC drivers who want extreme power, stability, and 120+ MPH potential in a factory built RTR platform. This 1 7 scale 4X4 brushless street speed machine comes loaded with Spektrum Smart electronics, AVC control, a 160A ESC, 1450Kv brushless motor, DX3 transmitter, and a tunable aero package. This is not a beginner RC car. This is a