Dynamic Friction 4804-13003 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company (DFC) 4804-13003 is a GeoSpec fully coated plain disc brake rotor engineered as a direct OE replacement. Designed for everyday driving, this rotor delivers consistent, reliable stopping power while offering significantly enhanced corrosion resistance over conventional zinc or painted rotors.

GeoSpec Coating Technology:

• Full-coverage corrosion protection — the entire rotor, including the hat, cooling vanes, and outer edges, is coated inside and out with a patented silver-gray rust-prevention paint
• Superior rust resistance over conventional zinc or standard paint coatings
• No pre-cleaning required — processed dry and shipped dry, ready to install straight out of the box
• The coating is safely swept away by the friction material during normal break-in with no harmful effects

Precision Manufacturing:

• Cast from premium G3000 iron to duplicate precise OE vane configurations and fitment
• CNC-machined to the tightest tolerances available for consistent performance
• Non-directional surface finish promotes faster, more even brake pad bed-in for quieter, smoother stops
• Vented rotors are 100% inspected for balance and corrected using a state-of-the-art electronic mill-balance process
• 100% precision mill-balanced for vibration-free stopping at any speed

Ideal Application:

• Normal daily commuting and street driving
• Direct OEM replacement — no modifications required
• Sold individually (1 rotor per package)

The DFC GeoSpec plain rotor is a premium, installation-ready brake rotor that saves time and labor compared to traditional oil-coated rotors requiring pre-degreasing. With its durable coating and precision construction, it is built to last longer and perform quieter than standard replacement rotors.