Ready to upgrade your 1/16 or 1/18 scale RC car? This KingVal combo includes a 2040 size brushless motor (2280KV) and a 35A waterproof ESC. The motor has a 4-pole, 6-slot design for high torque, and it's built with a CNC-machined aluminum heatsink can to keep things cool. High-purity copper windings and ABEC5 bearings help maximize efficiency and smoothness. The shaft is 2.3mm, and it's designed to fit a wide range of small-scale brushless cars using M2.5 screws. The ESC handles 2S-3S LiPo batteries (or 4-9 cell NiMH) and has a BEC output of 5V/2A. It's sensorless and waterproof, so you can run in damp conditions without worry. Perfect for bashing, racing, or just adding more speed and power to your mini RC truck or buggy. Whether you're replacing a worn-out motor or doing a performance upgrade, this combo gives you solid performance at a reasonable price. Easy to install and get back to driving fast!