PFC-01 in the rear and PFC-08 in the front is not ideal, the 01 compound has more initial bite and torque compared to 08 and you would essentially shift the bias rearward. Unless you're an experienced track driver this combination may produce unexpected result. I'd go all PFC-01 if that's the only one available in the rear.
High carbon rotors are harder and last longer, but for track use may not be ideal unless you have a relatively light car with excellent brake cooling to keep operating temps within range. Otherwise the rapid super heating of rotor and cooling off cycle will crack the high carbon iron due to the brittleness of its metallurgy.
Those rear pads look NOTHING alike and are not interchangeable. Look at the mounting hardware on the tabs on the backing plate.
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