Dynamite Friction 631-54220R Disc Brake Rotor - Rear Right

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54220R) is engineered for reliable braking performance on Ford F-150 and Lincoln Mark LT trucks. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Ford F-150 and Lincoln Mark LT models
• Directional slotted and drilled surface for improved brake pad bite and heat management
• Vented rotor design to reduce brake fade
• Zinc silver hat finish with rust-resistant coating for corrosion protection
• Nominal thickness of 25 mm with a discard thickness of 23 mm
• Six bolt holes with 15.7 mm diameter and 135 mm bolt circle diameter
• Overall diameter of 348 mm and height of 80 mm

Detailed Product Description

The 631-54220R rotor from Dynamite Friction’s DFC Brake Rotor - Drilled and Slotted - Silver line is a vented disc brake rotor designed to meet the braking demands of Ford F-150 and Lincoln Mark LT vehicles. The rotor’s surface is both drilled and slotted in a directional pattern, which helps to evacuate gases, dust, and water from the braking surface, improving pad contact and reducing the risk of brake fade during heavy use. The vented design further aids in heat dissipation, maintaining rotor integrity and performance over time.

The rotor features a plain disc finish combined with a zinc silver hat finish that includes a rust-resistant coating, extending the rotor’s service life by protecting against corrosion. With a nominal thickness of 25 mm and a discard thickness of 23 mm, this rotor provides a solid balance between durability and performance. The six bolt holes, each 15.7 mm in diameter, fit a 135 mm bolt circle diameter, ensuring proper fitment and secure installation.

Applications and Problem Solving

• Replaces worn or warped rotors on Ford F-150 and Lincoln Mark LT models
• Addresses brake fade caused by excessive heat buildup
• Improves braking performance in wet or dusty conditions through slotted and drilled design
• Prevents rust and corrosion on braking components
• Restores smooth and consistent braking response

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (23 mm) before installation
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads for wear and replace if necessary during rotor installation
• Follow directional rotation indicated by the rotor’s surface pattern

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor - Drilled and Slotted - Silver line is manufactured to meet industry standards for durability and performance. The rust-resistant coating and zinc silver hat finish contribute to long-term reliability. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to this part number 631-54220R.