Nissan 350Z 2003-2008 6 Point Roll Cage Bar Blue6 Point Anti Roll Cage: Full bolt in roll cage the smartest investment you can make. Dont be fooled by style bars that will crush in roll over events. This is a real bolt in roll cage will prevent roof from crushing this cage is madefrom light weight cromoly steel. In a 40mm od tubing 2. 5mm thick. Cromoly bolt in cage will improve body rigidy. Will dramatically improve handling performance by reducing body flex. Fully functional in a event of a roll