Powerstop's best selling rotor is engineered to keep your brakes cool. Air flows over and through the drilled holes to effectively dissipate heat and eliminate hot spots. The drilled holes are precision machined in our CNC machining centers. If you have ever experienced pulsating brakes and shaking steering wheel, then drilled rotors are for you. Warped rotor are caused by excessive heat and the uneven deposition of friction (so when you stop, don't clamp your brakes on the rotor when it gets hot, try to keep the car rolling a little, or put it in park and release the brake pads). Power Stop drilled rotors run 200 degrees cooler and prevent warped rotors. Each rotor is treated with a gold zinc dichromate finish to keep that new rotor look. The combination of drilled rotors and Power Stop Z series disc pads will give you shorter stopping distance without fade.
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