Dynamic Friction 4004-75018 GeoSpec Coated Plain Disc Brake Rotor

The Dynamic Friction Company 4004-75018 GeoSpec Coated Brake Rotor is a premium OE-replacement disc brake rotor engineered for reliable, quiet, and smooth stopping performance. Featuring DFC's proprietary GeoSpec® corrosion-resistant coating, this rotor delivers a durable, attractive silver-gray finish that outperforms conventional paint and zinc coatings in rust protection.

The GeoSpec® coating is processed dry and shipped dry, meaning this rotor is ready to install straight out of the box — no pre-degreasing or additional preparation required. The coating is safely swept away by the friction material during normal break-in with no harmful effects.

Key Features:

• GeoSpec® Corrosion Protection — Superior rust resistance versus conventional paint or zinc coatings; withstands 400 hours of salt spray testing per SAE J2334 and GMW 14872 standards
• Premium G3000/G11H18 Iron Casting — Engineered for maximum strength, stability, and long-term durability
• OE Vane Configuration — Matches original equipment vane design for proper and maximum heat dissipation
• CNC-Machined to Tight Tolerances — Disc Thickness Variation (DTV) of .010mm maximum; Lateral Runout of .050mm maximum
• 100% Mill-Balanced — Precision cut and electronically mill-balanced for smoother stopping and zero vibration at any speed
• Non-Directional Surface Finish — Promotes faster, more even brake pad bed-in for quieter, smoother stops
• 100% Inspected — Every rotor passes a full inspection station measuring all critical OE attributes before shipment
• No Modifications Required — Designed to meet the same form, fit, and function as OEM brake rotors

The Dynamic Friction 4004-75018 is the ideal upgrade or direct replacement for drivers seeking improved corrosion resistance, consistent braking performance, and a clean, professional finish — all with the confidence of a brake rotor that's ready to install the moment it arrives.