Dynamite Friction 830-76123L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-76123L) is engineered for Toyota 4Runner and Tacoma models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Nominal thickness: 21.8 mm with a discard thickness of 20 mm
• Vented rotor design for improved cooling
• Directional slotted and drilled surface for debris removal and reduced brake fade
• Rust resistant coating to extend rotor life
• Geospec silver grey hat finish for corrosion protection and aesthetics
• 6 bolt holes with a bolt circle diameter of 139.7 mm
• Outside diameter of 318.5 mm and overall height of 70.5 mm
• Center hole diameter of 108.1 mm

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a vented design. This configuration helps maintain optimal braking performance by improving heat dissipation and reducing gas buildup between the pad and rotor surface. The directional surface pattern is engineered to channel water and debris away, making it suitable for Toyota 4Runner and Tacoma vehicles that require reliable braking under varied driving conditions.

Technical Details and Compatibility

This disc brake rotor is specifically compatible with Toyota 4Runner and Tacoma models, ensuring precise fitment and performance. The rotor’s nominal thickness of 21.8 mm and discard thickness of 20 mm provide a clear service life indicator. The vented rotor type enhances cooling during heavy braking, while the directional slotted and drilled surface improves pad bite and reduces brake fade. The rust resistant coating and Geospec silver grey hat finish protect against corrosion, extending the rotor’s usable life.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Helps remove water and debris from the braking surface for consistent stopping power
• Minimizes rust and corrosion on rotor surfaces
• Provides reliable fitment for Toyota 4Runner and Tacoma brake systems

Installation Notes and Tips

Ensure the rotor is installed on compatible Toyota 4Runner or Tacoma models using the correct torque specifications for the 6 bolt holes. Inspect the brake pads and calipers for wear or damage before installation. The directional slotted and drilled surface requires correct orientation to maintain optimal performance. Clean the rotor surface of any protective coatings or oils before mounting to ensure proper pad contact.

Quality Assurance

Dynamite Friction manufactures the 830-76123L rotor to meet industry standards for durability and performance. The rust resistant coating and precision machining contribute to consistent braking and extended rotor life. Warranty information should be confirmed with the original product documentation or supplier.