All MAPerformance rotors come with a one year limited warranty against defects!
Computer Aided Design (CAD) is employed to determine the optimum pattern for any size and style rotor. This pattern is critical as it must correctly sweep the brake pads to increase initial bite and allow for out gassing while also cleaning the entire brake pad surface. The sweep will eliminate "Hot Spots" and maximize the brake pad friction to the rotor.
J-Hook Slot: J Hook slotting offers the first new, significant improvement to dimples, straight slotting in four key areas of performance: Greater Initial Bite, Superior Pad Cleaning, Faster Pad Release and Reduced Thickness Variation