Dynamite Friction 631-52012L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-52012L) is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with a directional, slotted and drilled surface, this rotor supports effective heat dissipation and consistent stopping power.

• Disc type: Solid disc brake rotor
• Surface finish: Slotted and drilled for improved brake pad contact and cooling
• Rust resistant zinc silver hat finish
• Nominal thickness: 11.04 mm with discard thickness at 9 mm
• Overall diameter: 278 mm with 5 bolt holes (16.3 mm diameter)
• Directional brake surface for optimized performance
• Compatible with 5-lug wheel configurations (bolt circle diameter 118 mm)

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to enhance braking efficiency. This design helps reduce brake fade by improving heat dissipation and removing debris from the rotor surface. The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor's service life. This product line is tailored for solid rotors with directional surfaces, suitable for vehicles requiring precise fitment and reliable braking under varied conditions.

Technical Specifications and Features

This rotor features a solid disc construction with a nominal thickness of 11.04 mm and a discard thickness of 9 mm, ensuring safe replacement intervals. The rotor's overall height and hat height are both 50.5 mm, with a center hole diameter of 70.6 mm. The 5 bolt holes and stud/lug holes each measure 16.3 mm in diameter, arranged on a 118 mm bolt circle diameter, matching the wheel hub specifications of compatible vehicles.

Compatible Vehicles and Applications

• Buick Alero, Century, Regal
• Chevrolet Impala, Monte Carlo
• Oldsmobile Intrigue
• Pontiac Grand Am, Grand Prix

This rotor is designed to address common braking issues such as brake fade, uneven rotor wear, and reduced stopping power caused by heat buildup or surface contamination.

• Reduces brake fade during extended braking
• Improves heat dissipation to prevent warping
• Enhances braking response with directional slotted and drilled surface
• Resists rust and corrosion for longer service life
• Maintains consistent pad contact for smoother stops

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 9 mm before installation. Clean the rotor surface to remove any protective coatings or debris. Verify bolt hole alignment with the vehicle’s hub using the 118 mm bolt circle diameter and 5-lug pattern. Proper torque specifications should be followed to avoid rotor warping. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance

Dynamite Friction rotors undergo rigorous quality control to meet OEM standards. The rust-resistant zinc silver coating on the rotor hat helps prevent corrosion, contributing to durability. While no specific warranty information is provided, adherence to discard thickness and proper installation ensures safe and reliable operation.