Dynamite Friction 631-54276L Disc Brake Rotor - Rear Left

Reliable Brake Performance for Ford Bronco and Ranger

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54276L) is engineered to provide consistent braking performance for Ford Bronco and Ranger models. Designed with durability and heat dissipation in mind, this disc brake rotor supports safe and effective stopping power under various driving conditions.

• Disc type: Drilled and slotted for improved heat dissipation and debris removal
• Outside diameter: 308 mm for precise fitment
• Nominal thickness: 24 mm with a discard thickness of 22 mm
• Directional brake surface for optimized braking efficiency
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• Bolt hole quantity: 6 with 13.2 mm diameter holes
• Bolt circle diameter: 139.7 mm and center hole diameter: 93 mm
• Height: 80.75 mm ensuring proper alignment and fit

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 enhance braking performance. This design helps reduce brake fade by improving heat dissipation and allows for better removal of brake dust and gases. The silver zinc coating on the rotor hat adds a layer of rust resistance, making it suitable for vehicles exposed to varying weather conditions.

Technical Details and Specifications

This disc brake rotor features a directional surface with both drilled holes and slots, which work together to maintain cooler rotor temperatures and improve braking response. The rotor’s nominal thickness is 24 mm, with a discard thickness of 22 mm, indicating when replacement is necessary to maintain safety. The rotor is designed with six bolt holes, each 13.2 mm in diameter, and a bolt circle diameter of 139.7 mm, ensuring compatibility with specified Ford models. The zinc silver hat finish and rust-resistant coating contribute to the rotor’s longevity by protecting against corrosion.

Applications and Problem Solving

• Compatible with Ford Bronco and Ford Ranger models requiring 308 mm rotors
• Addresses brake fade caused by excessive heat during heavy braking
• Helps reduce brake dust buildup on rotor surfaces
• Prevents corrosion-related rotor damage in humid or wet environments
• Maintains braking efficiency with directional drilled and slotted design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 22 mm before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Verify bolt hole alignment with the vehicle’s hub using the 6-bolt pattern and 139.7 mm bolt circle diameter. Proper torque specifications should be followed to avoid rotor warping. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-54276L rotor to meet industry standards for durability and performance. The rust-resistant coating and zinc silver hat finish contribute to extended service life. Warranty details are provided by the manufacturer and should be reviewed prior to purchase to understand coverage specifics.