4 Pack Vgoohobby Aluminum Electric Engine Motor Heatsink Cooling Heat Sink Fins for 550 540 3650 Size Brushed Brushless Motors RC Car Truck,Blue

Suit all 540,550,stock and modified motors.Also great for electric powered boats.Ideal for Tamiya / HSP Minis or buggies. Heat is the killer of electrical components especially motors-if you keep them cooler they will perform better and last longer.This heat sink will help do that. Height-28mm Inner diameter-34.6 Thickness-2mm Weight-21g Color:Blue Package include: Aluminum Heat Sink(Blue)for 540/550 Motor x4 pcs