Hot Racing Clip-On Two-Piece Motor Heat Sink is compatible with 540 and 550 size motors. Versatile two-piece heat sink clip provides 8 different width adjustments.

Features:

• 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.
• Blue anodized
• Laser etched Hot Racing insignia

Specifications:
Overall height: 39mm (1.54 inch)
Fan size: 30x30x7.5mm
Fan mounting hole pattern: 24mm square
Input voltage: DC 7.2-8.4V MAX