This is a 150cc to 250cc DC CDI. Most commonly applies to (and is not limited to) 150cc to 250cc machines with this 6 pin rectangular plug configuration where the regular 6 pin CDI does not apply. 1x2pin connector(white) + 1x4pin connector(white). Casing is 6.5cm x 3.8cm x 2.3cm. This CDI is also applicable to the Baja Dirt Runner 50 Baja DR50, Baja Dirt Runner 90 Baja DR90 and Baja Dirt Runner 150 Baja DR150 models.