Dynamite Friction 631-54021L Disc Brake Rotor - Rear Left

Reliable Brake Performance for Ford, Lincoln, and Mercury Vehicles

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54021L) is engineered to provide consistent braking performance for select Ford, Lincoln, and Mercury models. Designed specifically for vehicles like the Ford Mustang, Lincoln Continental, Mercury Capri, and Mark VII, this rotor offers enhanced heat dissipation and improved stopping power.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 24 mm with a discard thickness of 22.75 mm
• Overall height and rotor height: 65 mm
• Outside diameter: 287 mm
• Bolt hole quantity: 5 with 14.4 mm diameter
• Bolt circle diameter: 114.3 mm
• Center hole diameter: 70.8 mm
• Rust resistant zinc silver hat finish with plain disc finish
• Directional brake surface for optimized performance

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 holes and slots to improve brake pad bite and heat dissipation. This design helps reduce brake fade and maintain consistent braking under demanding conditions. The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor's service life in various environments.

Detailed Product Description

This vented disc brake rotor features a 287 mm outside diameter and a 65 mm height, making it compatible with specific Ford, Lincoln, and Mercury models including the Mustang, Continental, Capri, and Mark VII. The rotor’s drilled and slotted surface enhances water and gas evacuation from the braking surface, which helps maintain effective braking performance during wet or high-temperature conditions. The directional surface design ensures proper rotation and optimal braking efficiency. The zinc silver coating on the rotor hat offers rust resistance, protecting the rotor from corrosion and extending its durability.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Improves heat dissipation to reduce brake fade during aggressive driving
• Helps maintain consistent braking performance in wet conditions
• Addresses rotor corrosion issues with rust-resistant coating
• Restores proper braking response for Ford Mustang, Lincoln Continental, Mercury Capri, and Mark VII

Installation Notes and Tips

Ensure the rotor is installed with the directional surface facing the correct rotation direction as indicated on the rotor. Verify bolt hole alignment with the vehicle’s hub using the 5-bolt pattern and 114.3 mm bolt circle diameter. Measure rotor thickness before installation to confirm it meets or exceeds the discard thickness of 22.75 mm. Properly torque lug nuts to manufacturer specifications to avoid rotor warping.

Quality Assurance

The Dynamite Friction 631-54021L rotor is manufactured to meet OEM specifications for fitment and performance on compatible Ford, Lincoln, and Mercury vehicles. The rust-resistant zinc silver coating and vented design contribute to long-lasting durability. Warranty information is available from the manufacturer and should be consulted for specific coverage details.