Dynamite Friction 631-73066R Disc Brake Rotor - Rear Right

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73066R) is engineered for enhanced braking performance and durability. Designed specifically for select Audi and Porsche models, this vented disc brake rotor offers improved heat dissipation and consistent stopping power under demanding conditions.

• Disc Type: Vented, drilled and slotted surface for heat and gas dissipation
• Nominal Thickness: 21.9 mm with a discard thickness of 20 mm
• Overall Diameter: 330 mm with a 68 mm center hole diameter
• Hat Finish: Zinc silver coating for corrosion resistance
• Bolt Pattern: 5 lug holes with 112 mm bolt circle diameter
• Directional brake surface for optimized rotor performance
• Rust resistant coating to extend rotor life

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design that improves airflow and cooling during braking, reducing the risk of brake fade. The rotor’s surface features both drilled holes and slots, which help evacuate gases, dust, and water, maintaining consistent pad contact and braking efficiency. The zinc silver hat finish provides additional protection against rust and corrosion, which is critical for maintaining rotor integrity over time.

With a nominal thickness of 21.9 mm and a discard thickness of 20 mm, this rotor ensures a reliable service life while meeting strict OEM specifications. The 5-bolt hole pattern with a 112 mm bolt circle diameter and 15.3 mm stud hole diameter matches the factory fitment for compatible Audi and Porsche vehicles. The directional surface design is optimized for the specified rotation direction, enhancing braking performance and rotor longevity.

Compatible Vehicles and Applications

This rotor is compatible with a range of Audi and Porsche models, including:

• Audi A4, A4 allroad, A4 Quattro
• Audi A5, A5 Quattro, A5 Sportback
• Audi A6, A6 allroad, A6 Quattro
• Audi A7 Quattro, A7 Sportback
• Audi A8 Quattro
• Porsche Macan
• Audi Q5, Q5 PHEV, Q5 Sportback
• Audi S4, S5, S5 Sportback
• Audi SQ5, SQ5 Sportback

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant finish. This product line is designed to provide improved heat dissipation and braking consistency for performance-oriented vehicles. The silver zinc coating on the rotor hat enhances rust resistance, making these rotors suitable for drivers seeking reliable braking components that maintain performance over time.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during aggressive driving
• Uneven pad wear due to gas and dust accumulation on the rotor surface
• Corrosion and rust on rotor hats reducing component lifespan
• Reduced braking efficiency in wet conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

• Ensure the rotor is installed with the directional surface oriented correctly according to wheel rotation
• Check that the bolt pattern matches the vehicle’s hub (5 lug holes, 112 mm bolt circle)
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Perform a bed-in procedure after installation to optimize rotor and pad contact

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-73066R rotor to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and vented design contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or manufacturer for exact warranty terms.