If your planning your metruck build your gonna need to relocate your battery. In our opinion this is the best option. You can even mount your ECU to it. Be sure you check out our plug and play Metruck GY6 harness.
GY6 dip stick breather
GY6 Ruckus engine wiring harness (20 min install)
Chinese scooter magnetic drain plug kit
Scooter fuel and vacuum line kit