The following are known Action Replay Codes for Super R.C. Pro-Am on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Infinite Weapon
0163B0DA

Have Tires
0104B3DA

Have Engine
0104B2DA

Have Battery
0104B1DA