Arrma ARAC7009 Motor Heatsink 4x4 BLX 3S, AR310883** King Shock Edition they did not have front end Tug Boat they did not have front end gangway connections which allowed passengers to move between units working in multiple In order to ensure the aircraft continued to maintain its effective deterrent threat and stayed one step ahead of advances in Easter Bloc fighter and surface to air missile technology FeaturesPrecisely manufactured for an excellent fit – Black anodized finish with etched ARRMA logo for cool looks – Constructed from high quality light weight aluminum – Multi fin design increases surface area for efficient heat transfer – Flat area allows the mounting of aftermarket fans for additional cooling Specifically designed for the ARRMA 4X4Includes1 x Motor Heatsink This aluminum motor heatsink keeps your motor running cool when the action heats up