This is an optional Hot Racing Clip-On Two-Piece Tamiya Blue Motor Heat Sink with Fan, intended for use with 540 and 550 size motors. This versatile two-piece heat sink clip provides 8 different width adjustments.

• Keeps the motor running cooler
• Aluminum construction
• Clip on heat sink attaches to 540 and 550 size motors with a 36mm can diameter
• Two-piece heat sink clip provides 8 different width adjustment options (20-40mm). M3 screws and nuts will be required for some configurations.
• Tamiya blue anodized
• Laser etched Hot Racing insignia

Overall height: 39mm (1.54 inch)

Fan size: 30x30x7.5mm

Fan mounting hole pattern: 24mm square

Input voltage: DC 7.2-8.4V MAX

• Installation
• Some units may require assembly (1.5mm and 2mm hex wrench required)
• Electrical hook up with 7.2-8.4V MAX DC power source
• Plug requires soldering or connection to a receiver port plug