OE Quality
60-Day Returns

Dynamite Friction 633-80023R Disc Brake Rotor - Rear Right
Overview of the DFC Brake Rotor for Mazda Miata
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-80023R) is engineered specifically for Mazda Miata models. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation under demanding conditions.
- Compatible with Mazda Miata vehicles
- Directional drilled and slotted surface for improved brake pad bite and cooling
- Solid rotor construction with zinc black hat finish for corrosion resistance
- Rust resistant coating extends rotor life
- 4 bolt holes with 100mm bolt circle diameter for precise fitment
- Nominal thickness of 9mm and discard thickness of 8mm
- Overall diameter of 231mm and height of 34.5mm
Details on the DFC Brake Rotor - Drilled and Slotted - Black Line
The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant black zinc finish on the hat. This design supports consistent braking performance by facilitating heat dissipation and reducing brake fade. The directional surface pattern optimizes water and debris removal, making it suitable for spirited driving and daily use on the Mazda Miata.
Technical Specifications and Features
This disc brake rotor is a solid type with a nominal thickness of 9mm and a discard thickness of 8mm, ensuring a reliable service life before replacement is necessary. The rotor's outside diameter measures 231mm, with an overall height of 34.5mm and a center hole diameter of 55mm. It features 4 bolt holes and 4 stud/lug holes, each with a diameter of 13mm, arranged on a 100mm bolt circle diameter, ensuring exact fitment on compatible Mazda Miata models.
Applications and Problem Solving
- Replaces worn or warped rotors on Mazda Miata vehicles
- Improves brake cooling and reduces fade during aggressive driving
- Enhances braking response with slotted and drilled surface design
- Prevents rust and corrosion with zinc black hat finish and coating
- Maintains consistent braking performance under wet conditions due to directional rotor surface
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 8mm before installation. Clean the rotor surface to remove any protective coating residue before mounting. Verify bolt hole alignment with the 100mm bolt circle diameter and 4-bolt pattern for proper fitment on the Mazda Miata. Use appropriate torque specifications for lug nuts to avoid rotor warping.
Quality Assurance and Warranty
Dynamite Friction manufactures the 633-80023R rotor with rust-resistant coatings and zinc black hat finish to extend durability. While specific warranty details are not provided, the rotor meets industry standards for fitment and performance on Mazda Miata vehicles. Regular inspection and maintenance are recommended to ensure optimal braking safety.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 633-80023R |
| Position | DFC Brake Rotor - Drilled and Slotted - Black, Rear Right |
| Discard Thickness | 8 |
| Nominal Thickness | 9 |
| Disc Finish | Plain |
| Hat Finish | Zinc black |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 4 |
| Overall Height | 34.5 |
| Outside Diameter | 231 |
| Height | 34.5 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Solid |
| Center Hole Diameter | 55 |
| Stud/Lug Hole Quantity | 4 |
| Stud/Lug Hole Diameter | 13 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 100 |
| Stud/Lug Hole Circle Diameter | 100 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Mazda | Miata | Rear Right | DFC Brake Rotor - Drilled and Slotted - Black |
| 1992 | Mazda | Miata | Rear Right | DFC Brake Rotor - Drilled and Slotted - Black |
| 1991 | Mazda | Miata | Rear Right | DFC Brake Rotor - Drilled and Slotted - Black |
| 1990 | Mazda | Miata | Rear Right | DFC Brake Rotor - Drilled and Slotted - Black |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.