2012-Boss said:The front rotor is Motorcraft part BRRF6. Its $81.23 with free shipping from Amazon. See:
The rear rotor is Motorcraft part BRRF-45. It is $43.66 with free shipping from Amazon. See:
I like to support our board vendors, but sometimes you find prices to hard to pass up. The fronts are about $30 cheaper not counting shipping costs than anyone else. You can verify the part numbers on Rock Auto if you like. Amazon also has a no questions asked return policy.
I'd double check that but it shows it fits a 2009 GT500 which uses the same front rotor as our cars.coboss said:I clicked the link for the fronts and it took me to Amazon. The price is now $135.18 each and they come from an outfit called Titan Direct. The Amazon "Does it fit?" checker says they do not fit a 2013 Boss 302. Hmmm.
The rears are still cheap, come from Amazon directly, and the checker says they fit.
Can someone confirm for me that BRRF6 is the correct front rotor? Thanks.
Keavdog said:I'm pretty clear on when to replace pads. How do you know when to replace rotors?
302 Hi Pro said:I would check first for surface wear, and runout. Then would resurface the rotor(s), I do like the on car brake lathe system. Depending on the cut needed, you would check the new thickness measurement to ensure the rotors are within specs. Minimum thickness specs are cast or laser etched on the inside of all rotors.
Once you were out of spec, runout, (warped), or minimum thickness, you would replace the rotor. At least that is the way I would decided when to replace a set of rotors. Note: always replace the set, not just one.
When it comes to hard core racing, when the front rotors are glowing red from extreme high temps, I would replace rotors after each race due to temper issues and possible fatigue failures. Drilled rotors should always be inspected inside and out for stress and/or heat cracks. If cracking is evident, replace rotors.
I'm sure there are other ways or thoughts on this matter, but I thing these are some good rotor basics to keep in mind.
302 Hi Pro