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Dynamite Friction 631-54006L Disc Brake Rotor - Front Left
Reliable Performance for Ford and Mercury Vehicles
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54006L) is engineered to provide consistent braking performance for select Ford and Mercury models. Designed specifically for vehicles like the Mustang, Cougar, and Montego, this rotor offers enhanced heat dissipation and improved stopping power.
- Disc type: Vented disc brake rotor
- Surface finish: Directional drilled and slotted design
- Rust resistant zinc silver hat finish
- Nominal thickness: 23.86 mm with discard thickness at 22.23 mm
- Five 1/2-20 bolt holes with 114.3 mm bolt circle diameter
- Outside diameter: 287 mm; overall height: 108.5 mm
- Center hole diameter: 61.7 mm
About the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and reduce heat buildup. This directional rotor design helps channel gases and debris away from the braking surface, which is particularly beneficial for performance-oriented vehicles such as the Ford Mustang and Mercury Cougar. The zinc silver coating on the rotor hat enhances corrosion resistance, extending the rotor's service life.
Technical Details and Specifications
This vented rotor features a nominal thickness of 23.86 mm and a discard thickness of 22.23 mm, ensuring it meets safety standards for wear limits. The rotor's 287 mm outside diameter and 108.5 mm overall height are designed to match the factory specifications for compatible Ford and Mercury models. The drilled and slotted surface improves heat dissipation and braking efficiency, while the directional pattern optimizes performance under various driving conditions. The rotor includes five bolt holes sized 1/2-20 with a bolt circle diameter of 114.3 mm, ensuring proper fitment and secure mounting.
Applications and Problem Solving
- Compatible with Ford Mustang, Mercury Cougar, and Mercury Montego models
- Helps reduce brake fade during aggressive driving or towing
- Improves heat dissipation to prevent rotor warping
- Enhances braking response and pad bite with drilled and slotted design
- Resists rust and corrosion for longer service life
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 22.23 mm before installation. Clean the rotor surface to remove any protective coatings or debris prior to mounting. Verify bolt hole alignment with the vehicle’s hub using the 114.3 mm bolt circle diameter and 1/2-20 bolt hole size. Proper torque specifications should be followed to avoid rotor warping or uneven wear.
Quality Assurance and Warranty
Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant zinc silver finish on the rotor hat helps maintain durability in various environmental conditions. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable braking performance for Ford and Mercury vehicles.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-54006L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Left |
| Discard Thickness | 22.23 |
| Nominal Thickness | 23.86 |
| Bolt Hole Diameter | 1/2-20 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 108.5 |
| Outside Diameter | 287 |
| Height | 108.5 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 61.7 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Stud/Lug Hole Circle Diameter | 114.3 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1969 | Ford | Mustang | 4.1L | L6 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Ford | Mustang | 5.8L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Ford | Mustang | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 1969 | Ford | Mustang | 6.4L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Ford | Mustang | 5.0L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Mercury | Cougar | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 1968 | Ford | Mustang | 4.7L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Ford | Mustang | 3.3L | L6 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Ford | Mustang | 7.0L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Ford | Mustang | 6.4L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Ford | Mustang | 5.0L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Mercury | Cougar | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 1968 | Mercury | Montego | Convertible | 3.3L | L6 | Front Left | Composite Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1968 | Mercury | Montego | Wagon | 5.0L | V8 | Front Left | Full Cast Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1968 | Mercury | Montego | 6.4L | V8 | Front Left | Exc. Wagon; Full Cast Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Mercury | Montego | 7.0L | V8 | Front Left | Exc. Wagon; Full Cast Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Mercury | Montego | Convertible | 3.3L | L6 | Front Left | Full Cast Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1968 | Mercury | Montego | Hardtop | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 1968 | Mercury | Montego | 7.0L | V8 | Front Left | Exc. Wagon; Composite Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Mercury | Montego | Wagon | Front Left | Composite Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 1968 | Mercury | Montego | Wagon | 5.0L | V8 | Front Left | Composite Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1968 | Mercury | Montego | Sedan | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 1968 | Mercury | Montego | Wagon | 6.4L | V8 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1968 | Mercury | Montego | 6.4L | V8 | Front Left | Exc. Wagon; Composite Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Mercury | Montego | Wagon | Front Left | Full Cast Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.