99-05 Pontiac Grand Am - Front Cross Drilled and Slotted Rotors 1 Set of Left and Right Front Rotors For: 99-05 Pontiac Grand Am (FRONT) Finished with a Bright Silver Plating to protect against corrosion. Maximum air circulation - Increased cooling - Increased bite - Improved braking - Reduced fade - Increased Safety and Reliability Sinusoidal Curved Chamfered Hole. Promotes cooling and minimizes stress, reducing the possibility of heat checking while increasing both rotor and pad life. Direct Bolt-On No Modifications Necessary