The most expensive part in this assembly is the Tachometer Assembly.
The Bulb(12v1.7w,wb372,t7) is the most widely applied product in the GSX600F KATANA 1988 (J) USA (E03) SPEEDOMETER (MODEL J) ( four times ).
A sample from the products for the Speedometer (model J) include: Bulb(12v1.7w,wb372,t7), Box Assy, Bolt, Nut.