This is a USED Pulser Coil that came off of a 1982 Honda XR-250-R model of motorcycle. According to the parts microfiche they will fit 1981-1982 XR250R and 1981-1982 XR500R models but you will want to look closely at the photos and description and email me if you have any questions. The pulser coil is in good usable condition. The coil and the wires and plug-in is in good shape. The center-center of the mounting holes is 2-3/8".  What you see in the photos is what you will get. The shipping and handling cost is $4.00 USPS First Class Mail to the 50 States of the USA. (0.03.+)