The PFC Front V3 Slotted Rotor/Hat Assembly (Right, #326.053.64) is a direct-fit performance upgrade for Subaru WRX STI (2004-14) and BRZ/GR86 Performance Package models. Featuring PFC’s patented V3 floating system, high-carbon alloy construction, and precision-machined slots, this two-piece rotor delivers exceptional cooling, reduced vibration, and consistent pedal feel. With a reusable hat design for cost-effective serviceability, it’s a proven solution for drivers who demand track-ready braking performance with the durability to handle aggressive street use.