F1-Ventilated Two-Piece Rotor | Direct PFC 991 / 992 Replacement | 6.5kg Per Rotor
A direct-replacement rear rotor engineered specifically for the Porsche PFC 991 / 992 brake kit. The RACE V1 designation reflects its purpose — built from the ground up for drivers who push their PFC setup to the limit and expect the rear axle to match the front, lap after lap.
F1-Style Internal Ventilation Our vane geometry is drawn from Formula 1 rotor cooling principles — engineered to move maximum airflow through the rotor core under sustained load. Faster heat evacuation. Lower peak temperatures. More consistent pedal feel deep into a session.
6.5kg Per Rotor (Hardware Included) Significant unsprung and rotational weight reduction over conventional two-piece assemblies — measured at the axle where it matters most. Sharper rotational response, less strain on suspension and drivetrain, and a genuine performance gain you can feel.
CARBONCORE™ Treated Friction Ring Our proprietary CARBONCORE™ treatment increases resistance to heat soak, thermal cracking, and pad fade under extreme load — keeping the ring composed when the rest of the car is at the limit.
Direct PFC Kit Replacement Engineered as a true bolt-on replacement for the PFC 991 / 992 brake kit. No adapters. No modifications. Pull the OEM PFC rotor, fit the RACE V1, and go.
RACE V1 Designation The V1 badge isn't cosmetic. It signals a rotor built specifically for race and track use — a construction and materials specification purpose-built to survive the kind of abuse real track work delivers.
Specifications
Fitment: Porsche 991 / 992 (Rear) — direct replacement for PFC brake kit
Ready to fit — direct replacement, no additional prep required
Built For
Track day drivers, time attack competitors, and racing programmes running the Porsche PFC 991 / 992 brake kit who want to extend the performance envelope of an already race-grade setup.
F1 ventilated. CARBONCORE™ treated. RACE V1 built. The rear rotor your PFC kit deserves.
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THERMACORE
Highlight key qualities of the product, such as the materials, ingredients, or components used. Emphasize durability, reliability, or performance in everyday use.
Draw attention to the care and craftsmanship that went into its design and development, setting it apart in terms of quality and attention to detail.
Track-tested. Street-refined. Built to survive the hardest stops.
Formulated, tested, and refined by our engineering team, THERMACORE™ isn't a rebranded generic casting. It's a purpose-built alloy designed to do one thing better than anything else on the market — manage extreme braking heat without compromise.
Every SPECWORKS rotor is cast from THERMACORE™ — because when you're going hard into a corner, the material under your pads matters.
Load video:
FROM TRACK TO STREET
RACE-BREED
PRECISION ENGINEERING
STREET-READY
TRACK PROVEN
Any questions?
Address frequently asked questions about this product to minimize any concerns or uncertainties that might deter a customer from making a purchase.
What is your return policy?
We do not accept returns on any products because every item is custom-specified to your vehicle. Each brake component is engineered and manufactured to your exact make, model, and generation specifications, ensuring optimal fit and performance for your setup.
Can I change or cancel my order?
Can we accept changes or cancellations to an order within 12 hours of placement. After that window closes, the order moves into fulfillment and cannot be modified.
How do I know if a SPECWORKS kit fits my car?
We list the application for each kit in the product description. However, we recommend emailing us after placing your order to confirm fitment for your specific vehicle. This ensures you receive the correct components for your setup.
Do you ship internationally?
We ship worldwide using FedEx. Orders are processed and dispatched quickly, with tracking information provided so you can monitor your shipment every step of the way. Delivery times vary by location, but FedEx ensures reliable service to most destinations globally.
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