OPTION PARTS FOR MRX-3
| P/N | Description |
| H0558 | Damper Piston 1.2 (2pcs.) for MRX-3 |
| H0559 | Damper Piston 1.3 (2pcs.) for MRX-3 |
| . |
| It is effective if you want to the car to turn more, but it's depend |
| on the track, condition of surface, and the way of driving style. |
April