Cooling Heat Sink for 540/550 Motors Aluminum Motor Heat Sink Light Blue Anodized Slot for attaching a 30x30 size electric fan Screw holes M3 Electric fan sets and Various color heat sinks Fan units are also on sale Instant purchase without comment is OK Feel free to request bulk sales Trackable, anonymous shipping, shipped within 24 hours If you are concerned about the details of the condition, we can provide additional photos if you comment Please refrain from purchasing if you are looking for perfect condition as it is a product stored by an amateur Non-smoking / No pets Items purchased on the same day may be shipped together to reduce packaging materials Please let us know before purchasing if you wish to ship separately If you contact us before purchasing, we can offer a combined shipping discount, so feel free to comment RC car related items #EDO RC car 1/10 1:10 550 540 Type Size 3650 3660 3670 36mm Brushed motor Brushless motor Brushless motor Sensorless Sensored TBLM TBLE ESC Amplifier Brush Brush amplifier Brushless amplifier Brushless ESC Tamiya Tamiya Kyosho Kyosho Yokomo Yokomo Hobbywing HOBBYWING QuicRUN Quick Run 1060 Eagle Model Futaba Sanwa Futaba Futaba Drift RC car DF-02 DF-03 DT-02 DT-03 DT-04 TD4 TD2 DB01 DB02 BB-01 Off-road Revival Buggy 2WD 4WD Crawler Trail GF-01 GF-02 G6-01 CC-01 CC-02 CR-01 WT-01 WR-02 CW-01 M-05 M-06 M-07 M-08 MB-01 F104 FF-04 TA06 TA07 TA08 TB-03 TB-04 TB-05 BT-01 TT02 cw01 YD2 TT-01 TT-02 TL-01 XM-01 XV-01 XV-02 TRF Touring car YD-2 Driraji Doripake Associated Wild Willy Lunch Box Midnight Pumpkin Grasshopper Hornet Traxxas Traxxas Axial Axial ARRMA Arma TRX SCX HPI WPL