Dynamite Friction 830-76143L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-76143L) is engineered for reliable braking performance on select Lexus and Toyota models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Lexus GX460 and Toyota 4Runner.

• Disc type: Vented, directional drilled and slotted surface
• Nominal thickness: 18 mm with discard thickness at 16 mm
• Overall height: 68.1 mm; outside diameter: 312 mm
• Hat finish: Geospec silver grey with rust-resistant coating
• Bolt hole quantity: 6 with 139.7 mm bolt circle diameter
• Center hole diameter: 108 mm; stud/lug hole diameter: 14.4 mm

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line focuses on rotors that combine drilled holes and precision slots to improve brake pad bite and reduce heat buildup. This design supports consistent braking performance under demanding conditions, making it suitable for off-road and heavy-duty use on vehicles such as the Toyota FJ Cruiser and Land Cruiser.

Detailed Product Description

This disc brake rotor features a vented design that promotes airflow to dissipate heat effectively, reducing the risk of brake fade during extended use. The directional drilled and slotted surface enhances water and debris evacuation, improving braking response in wet or harsh environments. The rotor’s hat is finished in Geospec silver grey and treated with a rust-resistant coating to help maintain corrosion resistance over time. With a 6-bolt pattern and precise dimensions, this rotor is compatible with Lexus and Toyota models including the 4Runner, FJ Cruiser, GX460, and Land Cruiser.

Common Applications and Problem Solving

• Improves braking performance on off-road and heavy-duty vehicles
• Reduces brake fade caused by heat buildup during extended braking
• Enhances water and debris clearance for consistent stopping power
• Prevents premature rotor corrosion with rust-resistant coating
• Restores proper rotor thickness and surface condition for safe braking

Installation Notes and Tips

Ensure the rotor surface is clean and free of contaminants before installation. Verify the bolt hole pattern and rotor dimensions match your vehicle’s specifications. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and precision machining contribute to long service life. Warranty details are available from the manufacturer and should be reviewed prior to installation.