| Cross Drilled Discs offer an enhanced initial bite (more responsive, especially in wet weather) and greater heat dissipation (reduction in heat induced fade - "brake fade")as compared to O.E.M. They also will last up to twice as long as O.E.M. rotors (depending on your braking style), with 40% Better Cooling, 20% better stopping, improved wet braking, reduces rotor warpage, less brake fade and longer life.
Slotted discs offer cleaning of the friction material (brake pads), but do little in terms of additional heat dissipation. Slotted brake discs do not cool better than cross drilled discs or even standard discs. The face grooves will slice the brake pad material allowing the pad to bite harder into the disc, therefore causing an increase in disc temperatures. This is recommended for competition vehicles to bring pads and disc temperatures up to optimal operating ranges. (Race cars warm-up engines, tires and brakes for the best possible performance).
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