Dynamite Friction 631-73006L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73006L) is engineered for reliable braking performance on select Audi models. Designed specifically for Audi 90 Quattro, 4000 Quattro, and Coupe Quattro vehicles, this rotor combines durability with enhanced heat dissipation features.

• Disc type: Solid disc brake rotor with drilled and slotted surface
• Nominal thickness: 10 mm with discard thickness at 8 mm
• Rust resistant zinc silver hat finish and plain disc finish
• Directional brake surface for optimized braking efficiency
• Bolt hole quantity: 4 with a bolt circle diameter of 108 mm
• Outside diameter: 245 mm and overall height: 39.8 mm
• Center hole diameter: 68 mm
• Compatible with Audi 90 Quattro, 4000 Quattro, and Coupe Quattro

Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that feature a combination of drilled holes and slots on the braking surface. This design aids in heat dissipation and helps reduce brake fade during demanding driving conditions. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life. This product line is tailored for drivers seeking a balance between performance and durability in their braking components.

Technical Specifications and Features

This solid rotor measures 245 mm in outside diameter and 39.8 mm in overall height, with a nominal thickness of 10 mm and a discard thickness of 8 mm, ensuring precise fitment and longevity. The rotor’s surface is both drilled and slotted, which improves water and gas evacuation from the braking surface, enhancing braking response. The zinc silver hat finish offers rust resistance, maintaining structural integrity over time. The rotor features a 4-bolt hole pattern with a bolt circle diameter of 108 mm, matching the stud/lug hole circle diameter and stud/lug hole diameter of 15.5 mm, ensuring compatibility with the specified Audi models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Audi 90 Quattro, 4000 Quattro, and Coupe Quattro
• Improves braking performance by reducing heat buildup and brake fade
• Addresses rotor corrosion issues with rust-resistant coating
• Enhances braking surface durability under normal and spirited driving conditions
• Maintains proper rotor thickness for safe braking operation

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the bolt hole pattern and dimensions match your vehicle’s specifications. It is recommended to replace brake pads simultaneously to ensure optimal braking performance. Follow manufacturer torque specifications when securing the rotor to avoid warping. This rotor is directional; install with the correct orientation for proper function.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver coating helps extend the rotor’s lifespan. While no specific warranty information is provided, the product is designed for reliable performance on compatible Audi models when installed and maintained properly.