MIATA MX5 Slotted REAR 90-93

The highest quality alloyed gray iron composition is heat treated to releive casting stress, straight slots, surface EDP Coating w/cross cut grinding on friction surface. These are dynamically balanced after slotting to ensure vibration-free use at high speed...critical in an open top car like the Miata. The slots wipe away the white-hot boundary layer from the disc and pad to increase braking efficiency, particularly in wet conditions. The rotor is painted using an "electro-deposition" process for the very best in rust prevention. Price is for A PAIR!