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   OEM Painted Rotor

   It's not paint. The substance is a plasma coating intended to suppress radio interference noise on conventional distributor ignition systems. The following is a link to the Toyota patent. https://patents.google.com/patent/US4652705A/en

   • Words: 36
   • 73FJ40
   • Post #8
   • Dec 15, 2022
   • Forum: 40- / 55-Series Tech