Pair of multi-grooved 326mm OE replacement front brake disks. Suitable for Subaru Impreza Turbo 2.5 STI (00-08). All TAROX disks are made from special iron cast. Thermal and anti-corrosion treatment is a standard procedure for all Tarox disks to eliminate bending and corrosion. The 40 grooves (each side) of G88 type improve ventilation during braking. The result is an increadible and smooth braking.