Areyourshop Regulator Rectifier Voltage Fits Kawasaki NINJA ZX 12R 2000-2005 ZX 9R 2000-2004 Direct replacement to your original unit Plug-and-play, direct fit, easy installation Higher grade of electronic components Improved heat sink and charging capabilities Quality exceeds the OEM equipment heavy duty regulator/rectifier replaces OEM part 100% Brand New Easy to install, No Installation Instruction Fitment: Kawasaki NINJA ZX-12R 2000-2005 Kawasaki NINJA ZX-9R 2000-2004