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Dynamic Friction 631-80008L Disc Brake Rotor - Rear Left
| Brand | Dynamic Friction 631-80008L |
|---|---|
| Position | Rear Left |
| Discard Thickness | 18 |
| Nominal Thickness | 20 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 4 |
| Overall Height | 62.8 |
| Outside Diameter | 257 |
| Height | 62.8 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 66 |
| Stud/Lug Hole Quantity | 4 |
| Stud/Lug Hole Diameter | 12.5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Stud/Lug Hole Circle Diameter | 114.3 |
| Product line | DFC Brake Rotor - Drilled and Slotted - Silver |
| Fits | Mazda · 2 vehicles |
Slotted and drilled. Helps maintain a cleaner pad surface and manage heat during braking.
Rust-resistant finish. Zinc silver hat coating adds corrosion protection and a cleaner appearance.
Vented construction. Promotes airflow through the rotor for more consistent braking performance.
Overview
This Dynamic Friction disc brake rotor is built for a specific rear-left application and features a slotted, drilled surface with a vented design. The zinc silver hat finish and rust-resistant coating add corrosion protection, while the directional braking surface supports consistent pad contact.
Fits 1984-1985 Mazda RX-7, rear left. Part number 631-80008L is the reference for this application and should be matched carefully before ordering.
Key Features
- Slotted and drilled rotor surface for improved heat management and pad cleaning.
- Vented rotor construction for better airflow through the braking surface.
- Zinc silver hat finish with rust-resistant coating for added corrosion protection.
- Directional braking surface for a defined rotation pattern.
- 4-lug bolt pattern with 114.3 mm bolt circle and 66 mm center hole.
Detailed Description
The Dynamic Friction 631-80008L is a disc brake rotor engineered for the rear-left position on the Mazda RX-7. Its slotted X drilled surface and vented construction are suited to braking systems that benefit from additional heat dissipation and a cleaner pad interface. The plain disc finish is paired with a zinc silver hat finish and rust-resistant coating to help preserve appearance and resist corrosion in service.
For buyers searching for a Mazda RX-7 rear left brake rotor, 631-80008L provides the key dimensional and design details needed for a direct application match. The 4-bolt pattern, 114.3 mm bolt circle, and 12.5 mm lug hole diameter are important fitment checks before installation.
Common Uses
- Replacing a worn rear brake rotor on the RX-7.
- Addressing rotor scoring, grooves, or uneven braking feel.
- Restoring proper braking surface thickness after wear.
- Replacing a rotor with corrosion on the hat or braking surface.
Installation Notes
Confirm the rear-left position, 4-lug pattern, 114.3 mm bolt circle, and center hole diameter before installation. Match the rotor to the vehicle’s brake setup and verify discard thickness against service limits. Part number 631-80008L should be checked against the existing rotor and application data for the Mazda RX-7.
Quality Assurance
Dynamic Friction supplies this rotor with a rust-resistant coating and corrosion-protective hat finish for durable service appearance. The slotted, drilled, vented design reflects a performance-oriented brake rotor construction for the specified application.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1985 | Mazda | RX-7 | GSL-SE | Rear Left | 13B Engine; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1984 | Mazda | RX-7 | GSL-SE | Rear Left | 13B Engine; DFC Brake Rotor - Drilled and Slotted - Silver |
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