Dynamite Friction 633-80073L Disc Brake Rotor - Front Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-80073L) is engineered for reliable braking performance on Fiat 124 Spider and Mazda MX-5 Miata models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Fiat 124 Spider and Mazda MX-5 Miata
• Part number: 633-80073L
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 22 mm; discard thickness: 20 mm
• Overall diameter: 280 mm; height: 44 mm
• Zinc black hat finish with rust-resistant coating
• 4 bolt holes with 100 mm bolt circle diameter
• Directional brake surface for optimized performance

Product Line Details: DFC Brake Rotor - Drilled and Slotted - Black

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and reduce heat buildup. The zinc black hat finish provides corrosion resistance, extending rotor life. This product line is designed to meet the specific braking demands of performance-oriented vehicles like the Fiat 124 Spider and Mazda MX-5 Miata, ensuring consistent braking under varied driving conditions.

Technical Specifications and Features

This disc brake rotor is vented to allow better airflow and heat dissipation, which helps prevent brake fade during extended use. The rotor’s surface is both drilled and slotted, enhancing water and debris evacuation while maintaining pad contact. The nominal thickness of 22 mm and discard thickness of 20 mm provide a clear service life indicator. The rotor’s overall diameter measures 280 mm with a height of 44 mm, fitting precisely with the specified vehicle models. The zinc black hat finish and rust-resistant coating protect against corrosion, ensuring durability over time. The rotor features a 4-bolt hole pattern with a 100 mm bolt circle diameter, matching the factory specifications for the Fiat 124 Spider and Mazda MX-5 Miata.

Applications and Problem Solving

• Improves braking performance on Fiat 124 Spider and Mazda MX-5 Miata
• Reduces brake fade caused by heat buildup during aggressive driving
• Helps prevent rotor warping and cracking through enhanced cooling
• Maintains consistent pad contact with slotted and drilled surface
• Protects against rust and corrosion for longer rotor life

Installation Notes and Tips

Ensure the rotor is installed on compatible Fiat 124 Spider or Mazda MX-5 Miata models using the correct 4-bolt pattern with a 100 mm bolt circle diameter. Verify rotor thickness before installation; replace if below the discard thickness of 20 mm. Clean the rotor surface to remove any protective coatings or debris before mounting. Proper torque specifications should be followed to avoid rotor distortion.

Quality Assurance

Dynamite Friction manufactures the 633-80073L rotor to meet OEM standards for fit and function. The rust-resistant coating and zinc black hat finish contribute to the rotor’s durability. While no specific warranty information is provided, the product is designed to maintain performance and safety for the intended Fiat and Mazda models.