• This Brass water cooling jacket is for brush motor which is used on RC boat, RC ship, RC marine.
  The inner diameter of these jacket is a little smaller than motor diameter,That can make the jacket close fit the motor. The brass material is elastic, please rotating the jacket into the motor with a little muscle when you first install them. 
  
  There are there sizes optional for motor:
  
  Size A: Suit motor diameter:28mm, such as 370/380/385/390/480, Coils:4.5
  
  Size B: Suit motor diameter:36mm, such as 540/550/560, Coils:5.5  
  
  Size C：Suit motor diameter:42mm, such as 750/770/775, Coils:6.5
                   

• * Material： Brass
  * Brass Tube Diamter: 4mm(OD), 3mm(ID)
                       

• 1 Piece of Motor Water Cooling Jacket Cover Ring Brass for Brush Motor RC Boat

Item specifics