Dynamite Friction 631-54009R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54009R) is engineered for reliable braking performance on select Ford, Lincoln, and Mercury vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for models like the Ford Thunderbird and Lincoln Continental.

• Disc type: Vented, directional drilled and slotted surface
• Nominal thickness: 30.1 mm with discard thickness at 28.45 mm
• Outside diameter: 298 mm, overall height: 114.9 mm
• Bolt hole quantity: 5 with 1/2-20 diameter bolts
• Rust resistant zinc silver hat finish with plain disc finish
• Center hole diameter: 70.5 mm, bolt circle diameter: 114.3 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design to improve airflow and reduce heat buildup during braking. The rotor features a directional surface pattern combining drilled holes and slots, which helps evacuate gases, dust, and water for consistent brake pad contact. The rotor’s nominal thickness of 30.1 mm ensures durability, while the discard thickness of 28.45 mm indicates when replacement is necessary to maintain safety standards.

The rotor’s hat is coated with a zinc silver finish to resist rust and corrosion, extending the rotor’s service life. It includes five bolt holes sized 1/2-20, compatible with the 114.3 mm bolt circle diameter common to Ford, Lincoln, and Mercury models such as the Colony Park and Marauder. The center hole diameter of 70.5 mm ensures proper fitment and alignment.

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 designed to provide enhanced braking performance and durability for a range of vehicles, including classic and modern Ford, Lincoln, and Mercury models. The silver zinc coating on the rotor hat offers additional protection against rust, making it suitable for various driving conditions.

Compatible Vehicles and Common Applications

• Ford Colony Park
• Lincoln Continental
• Mercury Marauder
• Ford LTD
• Lincoln Thunderbird
• Mercury Marquis

This rotor is ideal for addressing issues such as brake fade, uneven rotor wear, and reduced braking efficiency caused by heat and debris buildup.

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (28.45 mm) before installation
• Verify bolt hole pattern and center hole diameter match vehicle specifications
• Clean hub surface before mounting to prevent runout
• Use proper torque specifications for 1/2-20 bolts
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit and function. The rust-resistant zinc silver finish helps maintain rotor integrity over time. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and durability.