Disc Brake Rotor 1997-1999 TJ Wrangler w/2-Piece Composite Rotor High Performance Cross Drilled And Slotted RT Off RoadRT Off Road's Cross Drilled and Slotted Brake Rotors are manufactured to improve upon the shortcomings of OE brake rotors. They feature cross drilling and slotting which improves heat dissipation and greatly reduces brake fade. The addition of the channels and holes also allow the heat, gasses, and debris that are byproducts of hard braking to dissipate more rapidly. This results in lower rotor temperatures which reduces the chances of warping while