Reproduction Stator Assembly Kit - It is virtually identical to the original and comes complete with everything you need to get your stator back in working order except for the plate itself (both coils - condenser - points - wiring - screws - O-ring - oil seal - see picture). This assembly was developed specifically for the K2 and K3-78 models (these models didn't use a battery). If you want to put lights on a Z50R - this kit would be a great start. On the original K2-78 lighting coil - the wire colors were gray - blue - black - and red. Gray was not available so we substituted green. That is basically the only difference.