This is an optional Hot Racing Arrma 4x4 Aluminum Adjustable Motor Mount, an aluminum adjustable motor mount with cooling heat sink fins for 1/10 Arrma 4X4 3S, 4S BLX brushless vehicles.

 

• Adjustable slider design replaces fixed gear settings on stock mount to allow wider selection of gear ratios
• Allows for fine-tuning of gear mesh
• Integrated cooling fins aid heat dissipation
• If using stock 57T 32P(Mod 0.8) spur gear, allows pinion gears from 9T to 27T

• (1) Aluminum motor mount
• Installation hardware