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Dynamite Friction 631-52009L Disc Brake Rotor - Front Left or Rear Left
Overview of Dynamite Friction DFC Brake Rotor
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-52009L) is engineered for Pontiac Fiero models requiring reliable braking performance. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.
- Compatible with Pontiac Fiero vehicles
- Part number 631-52009L for precise identification
- Vented rotor design for improved cooling
- Directional drilled and slotted surface for enhanced brake pad bite and debris removal
- Zinc silver hat finish with rust-resistant coating
- Nominal thickness of 18.92 mm and discard thickness of 17.3 mm
- 5 bolt holes with 14 mm diameter and 100 mm bolt circle diameter
- Overall diameter of 264 mm and height of 47.5 mm
Details on 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 precision slots to improve braking efficiency and rotor longevity. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life. This product line is designed to meet the specific braking demands of vehicles like the Pontiac Fiero, offering a balance of performance and durability.
Technical Specifications and Features
This disc brake rotor is vented to allow air circulation between the rotor surfaces, reducing heat buildup during braking. The directional surface pattern, featuring both drilled holes and slots, helps evacuate gases, dust, and water from the braking surface, which can improve pad contact and reduce brake fade. The rotor's nominal thickness is 18.92 mm, with a discard thickness of 17.3 mm, ensuring safe replacement intervals. The rotor includes five 14 mm bolt holes arranged on a 100 mm bolt circle diameter, matching the Pontiac Fiero's hub specifications. The zinc silver hat finish and rust-resistant coating protect against corrosion, maintaining rotor integrity over time.
Applications and Problem Solving
- Replacement rotor for worn or warped Pontiac Fiero brake rotors
- Improves heat dissipation to reduce brake fade during aggressive driving
- Helps maintain consistent braking performance in wet or dusty conditions
- Addresses rotor corrosion issues with rust-resistant coating
- Restores proper rotor thickness for safe braking operation
Installation Notes and Tips
Ensure the rotor is compatible with your Pontiac Fiero by verifying the part number 631-52009L and matching bolt pattern specifications. Clean the hub surface before installation to prevent rotor runout. Use proper torque specifications on the 5 lug bolts to secure the rotor. Since this rotor features a directional surface, install it according to the indicated rotation direction for optimal performance.
Quality Assurance
Dynamite Friction manufactures this rotor to meet industry standards for durability and performance. The rust-resistant coating and zinc silver hat finish contribute to long-term reliability. While no specific warranty information is provided, the rotor is designed to maintain structural integrity and braking efficiency throughout its service life when installed and maintained properly.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-52009L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Left and Rear Left |
| Discard Thickness | 17.3 |
| Nominal Thickness | 18.92 |
| Bolt Hole Diameter | 14 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 47.5 |
| Outside Diameter | 264 |
| Height | 47.5 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 57.9 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 14 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 100 |
| Stud/Lug Hole Circle Diameter | 100 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1988 | Pontiac | Fiero | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1988 | Pontiac | Fiero | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.