I contacted Master Chrome in Cleveland, OH. They hard chrome aircraft brake rotors for Parker Aerospace.
I will send them two new Matco rotors and they will do the following:
- Strip yellow zinc plating
- Flash hard chrome entire unit
- Polish after plating to get an even finish
No need for post heat treatment. Rotors for Parker Aerospace don?t require a post bake for hydrogen embrittlement.
Cost for two (2) rotors?. $125.00 Total
Master Chrome Service Inc
5709 Herman Ave
Cleveland, Ohio 44102
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Jim Stricker
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 618 
LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H