Areyourshop Regulator Rectifier Voltage Fit For HONDA CBR600 F4i 2001-2006 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 HONDA CBR600 F4i 2001-2006