Dynamic Friction 4004-31073 GeoSpec Coated Cross-Drilled Disc Brake Rotor

The Dynamic Friction Company 4004-31073 is a GeoSpec Coated Cross-Drilled Disc Brake Rotor engineered to deliver superior corrosion resistance, consistent stopping power, and a direct OE-replacement fit. The GeoSpec coating forms a durable, attractive silver-gray finish that fights rust far more effectively than conventional paint or zinc coatings.

Unlike oil-coated rotors, each GeoSpec rotor is processed dry and shipped dry, arriving ready to install with no cleaning or additional preparation required. The coating is safely swept away by the friction material during the break-in process with no harmful effects.

Key Features:

• GeoSpec Coating: Patented corrosion-resistant finish provides superior protection over conventional paint or zinc coatings
• Cross-Drilled Holes: Reduce heat buildup on the rotor surface for improved thermal management during braking
• Chamfered Drill Holes: Reduce the potential for cracking at the hole edges under high-stress conditions
• Premium G3000/G11H18 Iron Casting: Delivers maximum strength, stability, and long-term durability
• CNC-Machined to Tight Tolerances: Ensures precise fit and minimizes noise and vibration
• OE Vane Configuration: Matches original equipment design for proper and maximum heat dissipation
• 100% Mill-Balanced: Precision-balanced using an electronic mill-balance process for smooth, vibration-free stops at any speed
• Non-Directional Surface Finish: Promotes faster brake pad bed-in and more even pad wear
• Direct OE Replacement: Designed to meet the same form, fit, and function as the original equipment rotor

The Dynamic Friction 4004-31073 GeoSpec Drilled Rotor is an excellent upgrade for drivers seeking enhanced braking performance and improved corrosion resistance compared to standard replacement rotors, while maintaining a straightforward, bolt-on installation.