Dynamite Friction 631-47030L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-47030L) is engineered for reliable braking performance on Chevrolet vehicles. Designed specifically for Chevrolet Bel Air, Caprice, and Impala models, this vented disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Disc type: Vented, drilled, and slotted for improved cooling and debris removal
• Nominal thickness: 33 mm with a discard thickness of 30.86 mm
• Overall height and rotor height: 60 mm
• Outside diameter: 299 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• Bolt hole quantity: 5 with 13 mm diameter, bolt circle diameter: 120.7 mm
• Directional brake surface for optimized braking performance

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 combine drilled holes and slots to enhance brake pad bite and heat dissipation. This product line is designed to reduce brake fade and maintain consistent braking under demanding conditions. The zinc silver hat finish and rust resistant coating contribute to durability and corrosion protection, making it suitable for Chevrolet Bel Air, Caprice, and Impala vehicles requiring dependable rotor performance.

Technical Specifications and Features

This disc brake rotor features a vented design that improves airflow to reduce heat buildup during braking. The rotor’s surface is both drilled and slotted, which helps evacuate gases, dust, and water, improving braking efficiency and pad life. The rotor measures 299 mm in outside diameter and 60 mm in height, with a nominal thickness of 33 mm and a discard thickness of 30.86 mm, ensuring precise fitment and longevity. The 5-bolt hole pattern with 13 mm diameter holes and a 120.7 mm bolt circle diameter matches the factory specifications for the specified Chevrolet models.

Applications and Problem Solving

• Compatible with Chevrolet Bel Air, Caprice, and Impala models requiring vented disc brake rotors
• Addresses brake fade caused by excessive heat during heavy braking
• Reduces rotor warping and cracking through improved heat dissipation
• Helps maintain consistent braking performance in wet or dusty conditions
• Prevents rust and corrosion with zinc silver hat finish and rust resistant coating

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 30.86 mm before installation. Clean the rotor surface to remove any protective coating residue before mounting. Verify the 5-lug bolt pattern and 120.7 mm bolt circle diameter match your vehicle’s hub. Directional rotors must be installed following the indicated rotation direction for optimal performance. Use proper torque specifications for lug nuts to avoid rotor damage.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and zinc silver hat finish provide extended service life. Warranty details are available from the manufacturer or authorized distributors to ensure confidence in product reliability.