Dynamic Friction 4522-63105 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company (DFC) 4522-63105 is a GeoSpec fully coated plain (blank) disc brake rotor engineered as a direct OE replacement. The GeoSpec coating forms a durable, attractive silver-gray finish that provides superior rust and corrosion protection compared to conventional paint or zinc coatings — keeping the rotor protected from the elements before, during, and after installation.

Unlike oil-coated rotors, DFC GeoSpec rotors are processed dry and shipped dry, meaning they are ready to install straight out of the box with no additional degreasing or preparation required. This saves significant time and effort during a typical brake job.

Key Features:

• Fully coated inside and out — high-quality rust-prevention coating applied to the entire rotor surface, including hat and vanes
• Premium G3000/G11H18 iron castings for superior strength, stability, and long-lasting durability
• OE vane configuration duplicated precisely to ensure proper and maximum heat dissipation
• CNC-machined to the tightest tolerances for consistent, reliable fitment
• 100% precision cut and mill-balanced for smoother stopping and zero vibration at any speed
• Non-directional brake surface finish promotes faster, more even brake pad bed-in and quieter stops
• Ready to install — no pre-degreasing preparation needed, saving time and money during installation
• 100% inspected at the factory — every rotor passes a full inspection station verifying all critical attributes to OE specifications
• Provides superior corrosion protection over zinc and conventional paint coatings

The DFC GeoSpec program covers a wide range of foreign and domestic passenger car and light truck applications. This plain/blank rotor style delivers smooth, consistent braking performance for everyday driving and commuting.