Performance CDI Yamaha Rhino 660, 450 and Grizzly 660 models. Also a stock upgrade for the Baja Wilderness 400cc and Hsun 400cc 4x4 ATVs. This CDI unit with wire switch lead allows the rider to enable the Factory Standard rev limiter (RPM restriction) or to disable it allowing for a much higher RPM (no RPM limiter or 'governor'). This is a Skylark Digitek (TM) brand CDI which is a performance direct replacement for the applicable machines. Case dimensions are 10.9cm x 7.8cm x 2.6cm (LxWxH) and the mounting holes are 12.5cm apart center to center. The wire lead is 32cm long. This unit has a 4 pin, 6 pin and a 8 pin plug.