The PFC Front V3 Slotted Replacement Rotor – Left (Part #326.30.0061.451) is designed for Subaru WRX STI (2004-14) and BRZ/GR86 Performance Package models. Built from PFC’s high-carbon alloy with precision-machined slots and directional vanes, it pairs with your existing V3 hat assembly for consistent braking performance. A cost-effective way to restore track-proven stopping power.