Dynamic Friction 4802-21023 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company (DFC) 4802-21023 GeoSpec Coated Plain Brake Rotor is a premium, fully coated disc brake rotor engineered to OEM specifications for reliable, long-lasting stopping power. Designed as a direct-fit OEM replacement, this rotor is ready to install right out of the box with no additional preparation required.

DFC's proprietary GeoSpec coating is a patented rust-prevention paint that forms a durable, attractive silver-gray finish across the entire rotor — inside and out — providing superior corrosion protection over conventional paint or zinc coatings. The coating is safely swept away by the friction material during the bed-in process with no harmful effects on brake performance.

Key Features:

• Fully Coated: GeoSpec patented coating applied inside and out for complete corrosion protection before and after installation
• Premium G3000 Iron Casting: Engineered to duplicate precise OE vane configurations for proper fit and performance
• CNC-Machined to Tight Tolerances: Processed at state-of-the-art machining facilities for consistent, reliable performance
• Non-Directional Surface Finish: Promotes faster, more even brake pad bed-in and quieter, smoother stops
• 100% Mill-Balanced: All vented rotors are electronically inspected and corrected for balance, eliminating vibration
• No Prep Required: Processed dry and shipped dry — no cleaning of oil-covered surfaces needed, saving installation time
• Plain (Blank) Style: Smooth rotor face for quiet, everyday driving performance

The DFC GeoSpec rotor program covers more than 1,400 SKUs across a wide range of foreign and domestic passenger car and light truck applications. Backed by DFC's commitment to OE quality, the 4802-21023 delivers dependable braking performance and durability for the long haul.