Dynamite Friction 631-67090L Disc Brake Rotor - Rear Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-67090L) is engineered for reliable braking performance on select Nissan and INFINITI vehicles. Designed with a directional, solid disc surface featuring both drilled holes and slots, this rotor enhances heat dissipation and brake pad bite for consistent stopping power.

• Compatible with Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56 models
• Directional solid disc rotor with slotted and drilled surface
• Nominal thickness of 14 mm and discard thickness of 12 mm
• Rust-resistant zinc silver hat finish with plain disc finish
• Six bolt holes with a bolt circle diameter of 139.7 mm
• Overall diameter of 320 mm and center hole diameter of 82 mm

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

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad cleaning and heat management. This design helps reduce brake fade under demanding conditions, making it suitable for heavier vehicles like the Nissan Armada and INFINITI QX56. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life.

Technical Specifications and Features

This disc brake rotor is a solid type with a directional braking surface, optimized for vehicles requiring enhanced heat dissipation. The rotor measures 320 mm in outside diameter and 58 mm in overall height. It features six bolt holes with a 139.7 mm bolt circle diameter and a center hole diameter of 82 mm, ensuring precise fitment on compatible Nissan and INFINITI models. The nominal thickness is 14 mm, with a discard thickness of 12 mm, indicating when replacement is necessary to maintain safe braking performance.

Applications and Problem Solving

• Replaces worn or warped rotors on Nissan Armada and Pathfinder Armada
• Improves braking consistency for INFINITI QX56 and Nissan TITAN under heavy load
• Reduces brake fade caused by heat buildup during towing or off-road use
• Minimizes rust and corrosion with zinc silver hat finish
• Enhances brake pad cleaning and debris removal with drilled and slotted surface

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 12 mm before installation. Clean the rotor surface to remove any protective coatings or contaminants. Verify bolt hole alignment with the vehicle’s hub using the 139.7 mm bolt circle diameter and six-bolt pattern. Proper torque specifications should be followed to avoid rotor warping. This rotor is directional; install with the correct rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit and function on Nissan and INFINITI vehicles. The rust-resistant coating helps maintain rotor integrity over time. Please refer to Dynamite Friction’s warranty policy for coverage details related to manufacturing defects.