Dynamite Friction 631-54220L Disc Brake Rotor - Rear Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54220L) is engineered for Ford F-150 and Lincoln Mark LT models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

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

Detailed Product Description

The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is a vented disc brake rotor designed to meet the braking demands of Ford F-150 and Lincoln Mark LT trucks. Its directional surface features both drilled holes and slots, which help to evacuate gases, dust, and water from the braking surface, improving pad contact and reducing brake fade. The rotor’s vented construction allows for better heat dissipation, which is critical during heavy braking or towing applications.

The rotor has a nominal thickness of 25 mm and a discard thickness of 23 mm, ensuring durability and safety over its service life. The zinc silver hat finish combined with a rust-resistant coating protects the rotor from corrosion, extending its lifespan in various driving conditions. With six bolt holes sized at 15.7 mm diameter and a bolt circle diameter of 135 mm, this rotor is designed for precise fitment on compatible vehicles.

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with corrosion-resistant finishes. This product line is tailored for drivers who require reliable braking performance with enhanced heat management and durability. The silver zinc finish and rust-resistant coating are standard features in this line, providing protection against environmental wear.

Applications and Problem Solving

• Improves braking performance for Ford F-150 and Lincoln Mark LT trucks
• Reduces brake fade caused by heat buildup during heavy braking
• Minimizes brake dust and gas buildup for consistent pad contact
• Protects against rust and corrosion for longer rotor life
• Maintains structural integrity with vented design under demanding conditions

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 23 mm before installation. Clean the rotor surface to remove any protective coating or residue before mounting. Verify bolt hole alignment with the 135 mm bolt circle diameter and six 15.7 mm bolt holes for proper fitment. Use proper torque specifications for lug nuts to avoid rotor warping.

Quality Assurance

Dynamite Friction manufactures the 631-54220L rotor to meet OEM specifications for Ford and Lincoln vehicles. The rust-resistant coating and zinc silver hat finish contribute to the rotor’s durability. While no specific warranty information is provided, the product is designed to maintain performance and safety standards throughout its service life.