HobbyPark Aluminum 540 Motor Heatsink with Cooling Twin Fans for 550 3650 Size Brushless Engine Motor for 1/10 RC Car Truck Buggy Crawler (Black)

✔Compatibility: 540 550 3650 size brushed/brushless electric engine motor. ✔ DC voltage: 5V-6V Just connect the receiver spare port to get power. ✔ Made of high quality aluminum alloy, with twin cooling fans, protect the motor from overheating. ✔Package content: 1 piece. ✔ 100% brand new, authentic HobbyPark RC products, fine craftsmanship and durability, buy with confidence.