Specially designed by us to mount the larger gearbox and motor from the Pangolin to HSP's RC4 crawler, this is the perfect start to upgrade the RC4 to a more powerful and efficient drivetrain.

• Gearbox HSP #18024
• 540-sized brushed motor of your choice
• ~14T 48dp pinion gear
• 4pcs - 3x12mm fine thread button head screws - these are to install the new gearbox to the chassis of the HSP RC4
• 4pcs - 3x12mm coarse thread button head screws to mount the gearbox
• 2pcs - 3x6mm fine thread button head screws to mount the motor