Our Miata brake rotors come in plain replacement, slotted, and drilled and slotted. Miata slotted brake rotors improve performance by venting water and gasses which can otherwise momentarily "float" the pads. Note that we have several different quality levels below and as the price goes up, so does the density of the brake rotor material. The most expensive Miata brake rotors at the bottom of the page are our recommendation for any Miata owner planning track use with OEM sized Miata brakes because they have the highest density iron and will out last the other choices, particularly when subject to aggressive pad compounds.