Dynamic Friction 930-63179 Hi-Carbon Alloy GEOMET Drilled and Slotted Rear Brake Rotor

The Dynamic Friction Company (DFC) 930-63179 is a Hi-Carbon Alloy GEOMET-coated drilled and slotted rear brake rotor engineered for maximum performance, reliability, and durability. Designed to match or exceed OE specifications, this rotor is an ideal upgrade for European and heavier-type vehicles demanding superior stopping power.

Hi-Carbon Alloy Construction:

This rotor is cast using a high-carbon iron formulation incorporating Molybdenum, Chromium, and Carbon. This advanced alloy enhances noise dampening characteristics while delivering higher strength and increased thermal conductivity compared to standard cast iron discs, resulting in greater long-term durability.

Drilled and Slotted Design:

• Cross-drilled holes reduce heat buildup on the rotor surface and are chamfered to minimize the potential for cracking
• Machined slots continuously sweep away brake dust, road debris, and gas buildup, preventing pad glazing and improving bite
• Combined drilled and slotted surface provides shorter stopping distances, especially in wet-weather conditions

GEOMET® Coating:

• Genuine GEOMET® finish applied across the entire rotor surface for superior corrosion protection
• Processed dry and shipped dry — ready to install with no additional preparation or cleaning required
• The GEOMET® coating is safely swept away by the brake friction material during normal bedding with no harmful effects

Precision Machining & Quality Control:

• Fine-turned to a maximum surface finish of 1.6 RMS for optimal pad-to-rotor contact during break-in
• Engineered to OE vane configuration, including split-core technology for maximum heat dissipation
• Every rotor passes a 100% electronic inspection measuring over 20 attributes to confirm OE specification compliance before shipping

The DFC 930-63179 is sold as a single rotor and pairs optimally with DFC application-specific brake pads for best out-of-the-box braking performance.