Medusa Afterburner V2 BL motors

They have a heatsink bonded to them if you choose that option (extra 10 bucks or something; I opted for that because it was the only way I could get the 4800 motor, but I just emailed them and they made sure to remove it before it shipped since it wouldn't fit my tranny case with the heatsink on it). I haven't seen them actually built into the can though.