This rectifier is a reliable replacement part for Suzuki GS1100, GS1100G, GS1100ES, GSX1100, GSX1100E, and GSX1100EF motorbikes. It is made in the UK and is an electrical component that helps regulate the voltage in the bike's electrical system. The manufacturer part number for this rectifier is rr13, and it is not a classic motorcycle part nor has it been modified. This product is suitable for those who need a replacement rectifier and want to keep their bike running smoothly without worrying about the condition of the item.