Hobby Fans Rc Motor Heat Sink With 5V Cooling Fan Fit 370 380 390 2838 2858 2845 Size Brushless Motor Engine Motor Heatsink For 1/14 1/16 1/18 Rc Car Truck Buggy CrawlerSpecifications: Item Name: RC Motor Cooling Fan Item Type: RC Accessory Material: Aluminum Alloy / Plastic Optional Color: Blue Siz..