RCRunning 540 4370KV 3.175mm Shaft Brushless Motor 45A Waterproof Brushless ESC Combo for 1/10 RC Car (Banana Plug)
Brand: RCRunning
Color: As Shown

It will fit only flat cars 1/10 and it olso must be 2s batteryRCRunning 540 4370KV 4P 3.175mm Shaft Brushless Motor and 45A Waterproof ESC for 1/10 RC Car (Banana Plug)
Brushless Motor Specifications:
Size: 540
Watts: 820W
Max voltage: 12V
Max Amps: 66A
KV(RPM/Volt): 4370
Max RPM: 50000
Diameter: 35.8mm
Length: 50mm
Shaft length: 15mm
Shaft diameter: 3.175mm
Plug type: 4mm golden banana plug
Waterproof ESC Specifications:
Item name: 45A waterproof ESC
Continue current: 45A
Burst current: 180A
Battery: 2S Li-Po / 4-9S Ni-Mh Ni-Cd
BEC output: 5.8V / 3A
Power supply plugs: T plug male
Motor plugs: 4mm banana plug female
Dimension: 50 * 35 * 34mm / 2.0 * 1.4 * 1.3in (without cables)
Package Included:
1 X 540 4370KV 3.175mm Brushless Motor (Red)
1 X Waterproof 45A ESC (Red)
1 X User Manual

It will fit only flat cars 1/10 and it also must be 2s battery
High purity copper windings maximize efficiency. For better user experience, 3S battery is not recommended for ESA below 120A.
Precision balanced rotor, smoothness for best reliability and maximum RPM
Multiple protection features: Low voltage cut-off protection, over-heat protection, throttle signal loss protection
Suit for 1/10 scale RC car Truck WLtoys 10428/12428 HGP 601