Dynamic Friction 4622-18907 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company (DFC) 4622-18907 GeoSpec Coated Plain Brake Rotor is a premium OE-replacement disc brake rotor engineered for reliable, long-lasting stopping performance. Featuring DFC's proprietary GeoSpec corrosion-resistant coating applied inside and out, this rotor arrives clean, dry, and fully ready to install — no degreasing or prep work required.

GeoSpec Coating Technology:

• Fully coated inside and out with a patented paint that forms a durable, attractive silver-gray finish
• Provides superior rust protection compared to conventional paint or zinc coatings
• Coating is safely swept away by brake pad friction material during bed-in — no harmful effects to braking performance

Precision Manufacturing:

• Cast from premium G3000 iron for superior strength, stability, and durability
• CNC-machined to the tightest tolerances available for consistent, reliable fitment
• Non-directional surface finish promotes faster, more even brake pad bed-in and quieter, smoother stops
• Vented rotors are 100% electronically inspected and balanced using a state-of-the-art mill-balance process
• Engineered to duplicate precise OEM vane configurations and fitment specs

Ready to Install:

• Processed dry and shipped dry — no cleaning required before installation
• Direct OEM-fit replacement with no modification needed
• Saves installation time by eliminating the need to clean oil-covered rotors

The DFC GeoSpec plain rotor is an ideal choice for drivers seeking dependable, corrosion-resistant brake rotors that meet or exceed original equipment specifications right out of the box.