I mean rust on the Hub face and studs. I got brand new DBA 2 piece 5000 series rotors for the front and 1 piece 4000 series for the rear. They recommend sanding down or using a wire brush to promote even wear on the rotor. They even go as far as to recommend use of a Dial indicator to see if there is any run-out of the rotors once installed. If there is it is recommended to rotate the rotor 1 lug at a time until you get the lowest run out.
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Mazda Rx8 MT Titanium - SOLD!
2009 370Z T-Sport MT Black - Takeda Intake, Swift springs, Rear Camber kit, SS B Lines, FI Exhaust, Z Speed CMAK Flywheel/Clutch Kit, Stillen Brake Cooling.
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