The set includes a S3674 2250KV brushless motor, a 80A ESC and a 9.0kg servo, which is perfectly fit for the 1/8 RC car. What you needed is all included in the combo, specially for RC car DIY hobbies.

Features:
High purity copper windings maximizes efficiency
Precision engineered for maximum energy conversion
Precision balanced rotor, smoothness for best reliability and maximum RPM
Super smooth and accurate throttle linearity
Mutiple protection features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, Motor blocked protection
High precision metal gear
Suit for 1/8 scale RC car

Motor Specifications:
KV(RPM/Volt): 2250KV
RPM: 50000
Watt: 1800W
Max current: 80A
Max voltage: <22.2V
Diameter: 36mm
Length: 74mm
Shaft length: 17mm
Shaft diameter: 5mm
Connector: 4mm golden banana connector
Weight: 297g

ESC Specifications:
Continous current: 80A
Power supply: 2-4S LiPo / 4-12S NiMh
SBEC: 6.1V/3A
Power supply plug: T plug
Motor plug: 4mm banana connector
Cooling system: cooling fan
Size: 50 * 40 * 35mm (without cables)

Servo Specifications:
Operating Voltage: 6.0V-7.2V
Operating Speed (6.0V): 0.16sec/60° at no load
Operating Speed (7.2V): 0.14sec/60° at no load
Stall Torque (6.0V): 9.0kg.cm
Stall Torque (7.2V): 10.0kg.cm
Item size: 55 * 20 * 38mm (L * W * H)

Package Information:
Package size: 10.5 * 8 * 6.3cm / 4.1 * 3.1 * 2.5in
Package weight: 505g / 1.1lb
Brand gift box package

Package List:
1 * GoolRC S3674 2250KV Motor
1 * GoolRC S-80A ESC
1 * GoolRC 9KG Servo