Dynamite Friction 631-45007L Disc Brake Rotor - Front Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-45007L) is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 26.5 mm with discard thickness at 24.7 mm
• Overall height: 38.6 mm; outside diameter: 285 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied for extended durability
• Bolt hole quantity: 5 with 13.2 mm diameter; bolt circle diameter: 115 mm
• Directional brake surface optimized for improved water and debris evacuation

Detailed Product Description

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design to improve airflow and reduce heat buildup during braking. The rotor features a drilled and slotted surface that helps maintain clean contact between the brake pad and rotor, reducing brake fade and improving stopping power. The zinc silver hat finish and rust resistant coating protect the rotor from corrosion, extending its service life. With a bolt hole diameter of 13.2 mm and a 5-lug pattern on a 115 mm bolt circle, this rotor is specifically designed for compatibility with various Buick, Chevrolet, Oldsmobile, and Pontiac models including the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on delivering rotors that balance performance and durability. This product line incorporates drilled holes and slots to enhance braking efficiency by allowing gases, dust, and water to escape from the rotor surface, which is particularly beneficial for vehicles used in diverse driving conditions.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup
• Improves braking performance in wet or dusty conditions
• Minimizes rotor surface glazing and pad deposits
• Prevents rust and corrosion on the rotor surface
• Restores proper braking response for Buick Cutlass Supreme and Chevrolet Monte Carlo models

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness of 24.7 mm before installation
• Verify bolt pattern compatibility: 5 lug holes with 13.2 mm diameter on a 115 mm bolt circle
• Clean rotor surface before installation to remove any protective coatings or residues
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check for even pad wear and caliper function during installation

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-45007L rotor to meet or exceed OEM specifications for fit and function. The rust resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and reliability for Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.