Dynamite Friction 631-58021L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for Acura RL models requiring reliable braking performance. This vented disc brake rotor, part number 631-58021L, features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Acura RL vehicles
• Part Number: 631-58021L
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness of 28 mm and discard thickness of 26 mm
• Rust resistant zinc silver hat finish
• Directional brake surface for optimized performance
• 5 bolt holes with 14.7 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 319 mm and height of 50 mm

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction is designed to provide enhanced braking efficiency through its vented rotor design combined with drilled and slotted surfaces. This configuration helps reduce brake fade by improving heat dissipation and removing debris from the rotor surface. The zinc silver hat finish offers corrosion resistance, extending the rotor's service life, making it suitable for Acura RL vehicles that demand consistent braking under various driving conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 28 mm and a discard thickness of 26 mm, ensuring safe replacement intervals. The rotor's 319 mm outside diameter and 50 mm height accommodate the specific fitment requirements of Acura RL models. The vented design promotes airflow to reduce heat buildup during braking. The rotor surface is both drilled and slotted with a directional pattern, which aids in water and gas evacuation, improving brake pad contact and performance. The zinc silver coating on the hat area provides rust resistance, helping maintain structural integrity over time.

Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation for consistent stopping power
• Helps prevent rotor surface glazing and brake pad deposits
• Resists rust and corrosion for longer rotor life
• Compatible with Acura RL models requiring vented, drilled, and slotted rotors

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 26 mm before installation. The rotor features 5 bolt holes with a 14.7 mm diameter and a 120 mm bolt circle diameter, matching the Acura RL specifications. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. The directional surface requires installation in the correct rotation direction for optimal performance.

Quality Assurance

Dynamite Friction manufactures this rotor to meet OEM standards for fit and function on Acura RL vehicles. The rust-resistant zinc silver finish helps maintain rotor durability. While no specific warranty information is provided, adherence to discard thickness and proper installation will ensure reliable braking performance.