# EBC Brakes RK643 RK Series Plain And Vented 1-Piece Rear Premium OE Rotors for 1990-1994 Mazda Miata / MX-5

### Performance Overview

EBC Brakes RK643 RK Series Plain And Vented 1-Piece Rear Premium OE Rotors for 1990-1994 Mazda Miata / MX-5 is a vehicle-specific brake rotor designed for 1990-1994 Mazda Miata / MX-5. Make way for the replacement rotors that are like OE in dimensions but exceeds the factory specifications when it comes to thermal build-up, brake noise, vibration standards and over-all wear with its high-quality gray iron! The EBC RK Series Premium OEM Brake Rotors are all these and more! These rotors apply innovative engineering concepts to create an iron compound that is far more superior to the majority of original material blends. The graphite content that forms during the curing process which is the result of the high percentage of carbon and silicone in the blend is the secret behind the rotors quality. It makes the rotor softer and denser at the same time. The evenly distributed heat minimizes warping and cracks and eliminates that annoying

### Key Features

-   Designed as a vehicle-specific brake rotor replacement for rear applications
-   Helps restore smooth, consistent braking performance
-   Built for direct-fit installation on compatible vehicles
-   Supports reliable stopping power for daily driving
-   Recommended to verify year, make, model, and position before ordering

### Vehicle Fitment

**Fitment Summary:** 1990-1994 Mazda Miata / MX-5

**Position:** Rear

-   1990 Mazda Miata / MX-5— Position: Rear
-   1991 Mazda Miata / MX-5— Position: Rear
-   1992 Mazda Miata / MX-5— Position: Rear
-   1993 Mazda Miata / MX-5— Position: Rear
-   1994 Mazda Miata / MX-5— Position: Rear

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 1990-1994 Mazda Miata / MX-5.

**What part number is this?**  
The listed part number is RK643.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   brake rotor for Mazda Miata / MX-5
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-   EBC Brakes RK643 fitment
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-   rk series plain and vented 1-piece rear premium oe rotors for Mazda Miata / MX-5

### Vehicle Fitment Table

   

Year

Make

Model

Position

1990

Mazda

Miata / MX-5

Rear

1991

Mazda

Miata / MX-5

Rear

1992

Mazda

Miata / MX-5

Rear

1993

Mazda

Miata / MX-5

Rear

1994

Mazda

Miata / MX-5

Rear

## Details

- **Price:** 151.47 CAD
- **Vendor:** EBC Brakes
- **Type:** Brake Rotor
- **Tags:** 1990 Mazda Miata / MX-5, 1991 Mazda Miata / MX-5, 1992 Mazda Miata / MX-5, 1993 Mazda Miata / MX-5, 1994 Mazda Miata / MX-5, Automotive Parts, Brake Performance, Brake Rotor, Daily Driving, Direct Replacement, EBC Brakes, EBC Brakes RK643, Rear, RK Series Plain And Vented 1-Piece Rear Premium OE Rotors, RK643, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 151.47 CAD | In stock |

## Images

- EBC Brakes RK643 RK Series Plain And Vented 1-Piece Rear Premium OE Rotors for 1990-1994 Mazda Miata / MX-5 product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/ebc-brakes-rk643-rk-series-plain-and-vented-1-piece-rear-premium-oe-rotors-for-1990-1994-mazda-miata-mx-5-rk643)
> Updated: 2026-07-14