Dynamite Friction 631-80023L Disc Brake Rotor - Rear Left

Overview of the DFC Brake Rotor for Mazda Miata

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-80023L) is engineered specifically for Mazda Miata models. This solid disc brake rotor features a directional, drilled and slotted surface designed to enhance braking performance and heat dissipation.

• Compatible with Mazda Miata vehicles
• Part number: 631-80023L
• Solid rotor with drilled and slotted surface
• Nominal thickness: 9 mm; discard thickness: 8 mm
• Rust resistant zinc silver hat finish
• 4 bolt holes with 100 mm bolt circle diameter
• Directional brake surface for optimized performance
• Overall diameter: 231 mm; height: 34.5 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is a solid disc rotor designed to provide consistent braking for Mazda Miata drivers. The rotor measures 231 mm in outside diameter and 34.5 mm in overall height, with a nominal thickness of 9 mm and a discard thickness of 8 mm, ensuring precise fitment and longevity. The rotor surface is both drilled and slotted, which helps to reduce brake fade by improving heat dissipation and removing brake dust and gases during operation.

The rotor’s hat is finished with a zinc silver coating that offers rust resistance, extending the rotor’s service life in various driving conditions. It features a 4-bolt hole pattern with a 100 mm bolt circle diameter, matching the Mazda Miata’s specifications. The directional brake surface is designed to optimize braking efficiency and maintain consistent contact with brake pads.

About the 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 to improve braking performance and rotor cooling. This product line is tailored for drivers seeking rotors that manage heat effectively while maintaining structural integrity. The silver zinc coating on the rotor hat enhances corrosion resistance, making it suitable for daily driving and spirited use in Mazda Miata vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda Miata models
• Improves heat dissipation to reduce brake fade during aggressive driving
• Helps remove brake dust and gases for cleaner braking surfaces
• Addresses rust and corrosion issues with zinc silver coating
• Restores braking performance and pedal feel

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (8 mm) before installation
• Clean rotor surface before mounting to remove any protective coatings
• Torque lug nuts to manufacturer specifications for Mazda Miata
• Check compatibility with existing brake pads and calipers
• Perform a proper bed-in procedure after installation for optimal performance

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-80023L rotor to meet OEM specifications for Mazda Miata vehicles. The rotor includes a rust-resistant zinc silver coating to enhance durability. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry standards for quality and reliability. It is recommended to consult the product documentation or manufacturer for warranty information.