Suit all 540,550 motor,stock and modified motors.Also great for electric powered boats.Ideal for Tamiya / HSP Minis or buggies.Some Person has used it for 570 motors ,also can keep overheating.
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 x 4 pcs
Fit for the all 540,550 Motor ,Some Person has used it for 570 motors ,also can keep overheating.
Fit for the F-150 Power Wheel's electric motors.
fit for the 550 21t brushed motor,12t 550 motors etc.
Compatible with most Traxxas motor heatsink, HPI motor heatsink, Tamiya motor heatsink, and Losi electric motors heatsink.