Hot Racing universal clip on motor heat sink and fan for use on 540 and 550 size motors. Versatile two-piece heat sink clip provides 8 different width adjustments.Keeps the motor running cooler Aluminum construction Clip on heat sink attaches to 36mm can diameter Two-piece heat sink clip provides 8 different width options (20-40mm) Red 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
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