Cross-Drilled Or Slotted
These Project SCR-Pro rotors illustrate the two commonly found modifications to a rotor's face: The rotor on the right features slots (also called slits) that shave burnt material off of the brake pad's face to keep it from glazing. The rotor on the left has also been cross-drilled. Drilling advocates say the holes lighten the rotor, help keep it cool, freshen the pads and just look damn racy. View Related Article
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