Dynamite Friction 631-74003L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-74003L) is engineered for drivers seeking reliable braking performance with enhanced heat dissipation. Designed with a solid, directional rotor surface, this disc brake rotor offers a balance of durability and improved stopping power for compatible vehicles.

• Part Number: 631-74003L
• Disc Type: Solid, drilled and slotted surface
• Nominal Thickness: 9.5 mm with a discard thickness of 8 mm
• Overall Height: 83.8 mm
• Outside Diameter: 278 mm
• Hat Finish: Zinc silver coating for corrosion resistance
• Rust Resistant Coating: Yes
• Bolt Hole Quantity: 4 with a bolt circle diameter of 130 mm
• Center Hole Diameter: 78.5 mm
• Directional brake surface for optimized performance

Detailed Product Description

The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is designed to meet the demands of vehicles requiring a solid rotor with enhanced cooling capabilities. The drilled and slotted surface helps to dissipate heat and gases generated during braking, reducing brake fade and maintaining consistent performance. The rotor’s zinc silver hat finish and rust-resistant coating provide protection against corrosion, extending the rotor’s service life. With a nominal thickness of 9.5 mm and a discard thickness of 8 mm, this rotor ensures safe replacement intervals. The 4-bolt hole pattern with a 130 mm bolt circle diameter and a center hole diameter of 78.5 mm supports precise fitment on compatible vehicle models.

The DFC Brake Rotor - Drilled and Slotted - Silver line is part of Dynamite Friction’s product range focused on delivering rotors that combine functional design with corrosion resistance and durability. This product line is tailored for drivers who require rotors that maintain braking efficiency under demanding conditions while offering a clean, silver finish.

Applications and Problem Solving

• Reduces brake fade caused by heat buildup during heavy braking
• Improves water and debris evacuation for consistent braking in wet conditions
• Prevents rust and corrosion on the rotor surface for longer service life
• Maintains structural integrity with a solid rotor design for vehicles requiring durability
• Ensures proper fitment with precise bolt hole and center hole dimensions

Installation Notes and Tips

• Verify vehicle compatibility by matching bolt hole quantity and bolt circle diameter
• Check rotor thickness before installation; replace if below discard thickness of 8 mm
• Ensure directional rotor is installed with the correct rotation direction for optimal performance
• Clean rotor surface before installation to remove any protective coatings or residues
• Torque lug nuts to manufacturer specifications to avoid rotor warping

Quality Assurance

Dynamite Friction manufactures the 631-74003L rotor to meet industry standards for safety and performance. The rust-resistant coating and zinc silver hat finish contribute to the rotor’s durability. While specific warranty details are not provided, Dynamite Friction products typically adhere to quality control processes to ensure reliable braking components.