Dynamite Friction 631-54170L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54170L) is engineered for reliable braking performance on Ford and Lincoln trucks and SUVs. Designed specifically for models like the Ford F-150, F-150 Heritage, Expedition, and Lincoln Navigator, this vented disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Disc type: Vented, drilled, and slotted for improved cooling and debris removal
• Nominal thickness: 30 mm with a discard thickness of 27.7 mm
• Outside diameter: 308 mm for precise fitment
• Directional brake surface for optimized braking efficiency
• Rust-resistant zinc silver hat finish and plain disc finish
• 5 bolt holes with 14x2 mm bolt hole diameter and 135 mm bolt circle diameter
• Center hole diameter: 86.7 mm, overall height: 102.9 mm

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled and slotted surface designs with corrosion-resistant coatings. This product line is tailored to provide consistent braking performance under demanding conditions, making it suitable for heavy-duty vehicles like the Ford F-150 and Lincoln Navigator. The silver zinc coating on the rotor hat enhances rust resistance, extending rotor life in various environments.

Product Details and Specifications

This disc brake rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade. The drilled and slotted surface improves water and gas evacuation, maintaining consistent pad contact and braking performance. With a nominal thickness of 30 mm and a discard thickness of 27.7 mm, the rotor ensures durability and safety throughout its service life. The directional surface pattern is engineered to optimize braking efficiency and reduce noise. The rotor’s 5-bolt configuration with a 135 mm bolt circle diameter matches the factory specifications for compatible Ford and Lincoln models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150, Expedition, and Lincoln Navigator
• Improves braking performance in wet or dusty conditions due to drilled and slotted design
• Helps reduce brake fade during heavy towing or hauling
• Prevents rust and corrosion with zinc silver coating on the rotor hat
• Maintains consistent braking feel and reduces noise with directional surface

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 27.7 mm before installation. Clean the rotor surface to remove any protective coating or debris prior to mounting. Verify bolt hole alignment with the 5-bolt, 135 mm bolt circle diameter pattern. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads when installing new rotors for optimal performance.

Quality Assurance

Dynamite Friction manufactures the 631-54170L rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and vented design contribute to long service life and reliable braking. While specific warranty details are not provided, Dynamite Friction products are generally backed by quality control processes to ensure consistent performance on Ford and Lincoln vehicles.