Dynamic Friction 4522-46001 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company (DFC) 4522-46001 GeoSpec Coated Brake Rotor is a premium plain/blank disc brake rotor engineered to deliver OEM-quality stopping performance with superior corrosion resistance. Finished in DFC's signature silver-gray GeoSpec coating, this rotor is fully protected inside and out — arriving clean, dry, and ready to install with no pre-degreasing required.

GeoSpec Coating Technology:

• Durable silver-gray finish provides superior rust and corrosion protection compared to conventional paint or zinc coatings
• Fully coated rotor (inside and out) for complete protection before and after installation
• Coating is safely swept away by friction material during break-in with no harmful effects
• Ships dry and ready to install — no additional preparation needed

Premium Construction & Engineering:

• Engineered with premium G3000/G11H18 iron castings for strength, stability, and long-term durability
• OE vane configuration ensures proper and maximum heat dissipation
• CNC-machined to the tightest tolerances available
• 100% precision cut and mill-balanced for smooth, vibration-free stops at any speed
• Non-directional finish promotes faster, more even brake pad bed-in and quieter stops
• Designed to meet OEM form, fit, and function specifications

Quality Assurance:

• Every rotor passes a 100% inspection station measuring all critical attributes to ensure OE specification compliance
• All vented rotors are electronically mill-balanced and corrected as necessary
• Backed by a 1-year manufacturer warranty

The DFC GeoSpec line offers broad vehicle coverage across domestic and foreign passenger cars and light trucks, making it one of the most complete coated rotor programs available in the aftermarket.