Dynamite Friction 830-80077L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-80077L) is engineered for Mazda CX-9 vehicles requiring reliable braking performance. This disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Mazda CX-9 models
• Directional slotted and drilled disc surface
• Nominal thickness of 11 mm with a discard thickness of 9 mm
• Plain disc finish with Geospec silver grey hat finish
• Rust resistant coating for extended durability
• 325 mm outside diameter and 45.3 mm height
• 5 bolt holes with a 114.3 mm bolt circle diameter
• Center hole diameter of 68 mm

Product Line Details: DFC Geoperformance Rotor - Drilled and Slotted

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction is designed to provide enhanced braking efficiency through improved heat management. The drilled and slotted surface pattern helps reduce brake fade by allowing gases and debris to escape, while the directional design optimizes rotor performance for specific vehicle applications such as the Mazda CX-9. This rotor line balances durability with performance, featuring rust resistant coatings and precision finishes.

Technical Specifications and Features

This disc brake rotor has a nominal thickness of 11 mm and a discard thickness of 9 mm, ensuring a clear service life indicator for replacement. The rotor’s 325 mm outside diameter and 45.3 mm height are engineered to match Mazda CX-9 brake system requirements. The rotor surface is finished plain, while the hat features a Geospec silver grey coating that provides corrosion resistance. The rotor includes five bolt holes arranged on a 114.3 mm bolt circle diameter, with a center hole diameter of 68 mm, ensuring proper fitment and secure mounting.

Applications and Problem Solving

• Reduces brake fade during heavy braking or towing
• Improves heat dissipation to prevent rotor warping
• Minimizes brake dust and debris buildup on rotor surface
• Maintains consistent braking performance in wet conditions
• Prevents rust and corrosion for longer rotor life

Installation Notes and Tips

Ensure the rotor is installed on a compatible Mazda CX-9 model and verify the bolt pattern matches the vehicle’s hub assembly. Clean the rotor surface before installation to remove any protective coatings or contaminants. Use proper torque specifications for the 5 lug bolts to avoid rotor distortion. It is recommended to inspect brake pads and hardware during rotor replacement for optimal braking system performance.

Quality Assurance

Dynamite Friction manufactures the 830-80077L 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 is available through the manufacturer and should be consulted for specific coverage details.