1、Professional manufacture with high performance, simulated hood is not included. 2、Used for trx4,/scx10/scx10II motor, the outside diameter of the motor is 36mm-38mm. 3、Built-in temperature sensor to automatically control the fan to turn on or off 4、Temperature sensor with built-in fan, the fan will be activated when 35℃ above, and will stop when 25℃ below. High speed fan, with 25CFM ±10% wind flow. 5、Made of high quality materials, sturdy, durable and long service life. Condition: 100% Brand New Item Type: RC Simulation Engine Model: V8 Material: Aluminum Alloy + Stainless Steel + ABS Optional Color: Red, Black Quantity: 1 Set Tool Supplies: Assembly Class Remote Control Peripheral Equipment: Motor Usage: Car and Remote Control Toy Technical Parameter: KV1100 Upgrade Parts: Adapter Fitment: for trx4/scx10/scx10II Motor Weight: Approx. 113g Size: Approx. 70x70x50mm/2.76x2.76x1.97inch Motor Outside Diameter: Approx. 36mm-38mm/1.42-1.50inch 1 x Set of RC Simulation Engine Cooler 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia