SP Performance Cross Drilled Rotors w/ Black Zinc Coating Vented 5 Lug Front 320mm Audi A4 2009 | C01-319-BP

SP Performance Cross Drilled Brake Rotors seem to be the choice of all performance car manufacturers. Whether we are talking about Audi, BMW, Mercedes or Porsche, their factory brake rotors are always Cross Drilled. SP Performance Cross Drilled Rotors have taken it to the next level by eliminating the sharp edges on our Cross Drilled holes. By doing this, it greatly reduces the chance of cracking and lowers the rotor temperature by moving the air and brake dust from the disc brake surface. By keeping the surface temperature down, this nearly eliminates heat checking and warping. The Cross Dril