I have a 370Z sport package with 4 piston caliper front brakes and 2 piston caliper rear brakes. I recently installed new ultra premium blank rotors and pads from NAPA in all 4 wheels. I made sure they were the large sport package rotors. So I installed them and everything works perfect, no noise, firm brake and the Z stops on a dime. Only thing that I noticed is that the new pads do not cover the entire surface of the rotor. I noticed it when I washed the car and the rotor accumulated a bit of rust. I went for a ride hit the brakes to clean them but like 1cm in the inner surface of the rotors do not make contact with the pads. This issue applies to all of the installed rotors. The pads are the correct ones I ordered. Everything works fine but the ring of rust in the inner surface of the rotor bugs me and I'm not sure if this will be a problem down the road. Please let me know if this is NORMAL. Below are some pics.
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