Core regulator assembly or brain box for factory speed control on a early 1968-69 Mercury Cougar or Ford Mustang. This is the Perfect Circle regulator assembly. Basic Ford part number is 9D757, research has not turned up the complete Ford number possibly C8VY-9D757-A. Core grade, most likely will need servicing or repair. Bare unit, no brackets, wiring or cables.
*Note - We do not have the tools or know how to test this unit.
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