For Lunchbox, Montero and Wild pumpkin
 
Rear gearbox black plastic support bracket.
 
This bracket eliminates  the rear axle from pivoting on the front up/down pivots to make the rear suspension work better work more  freely. It stops the bouncing and slapping by securing the rear gearbox pivot so its less clunky and more stable.
 
You will need to drill (2) 3mm holes on the bottom plate to mount this bracket. ( instructions included ) You will need (2) 3mm screws and nuts ( not included)