DFC Geospec Rotors for MX-5 Miata and 124 Spider

Dynamite Friction DFC Geospec Rotors, part number 4004-80027, are a disc brake rotor set for front and rear brake service. This application covers the Mazda MX-5 Miata and Fiat 124 Spider with direct fitment by model year and position.

Key Features

• Disc brake rotor set for front and rear positions
• DFC Geospec Rotors product line from Dynamite Friction
• Fits 2016-2025 Mazda MX-5 Miata, front and rear
• Fits 2017-2020 Fiat 124 Spider, front and rear
• Part number 4004-80027 for accurate ordering and lookup

Product Details

The DFC Geospec Rotors line is built for drivers replacing worn brake rotors on compact roadsters that use the same front and rear rotor application. Part number 4004-80027 is listed for the 2016-2025 Mazda MX-5 Miata and the 2017-2020 Fiat 124 Spider, making it a direct-reference option for brake maintenance on these platforms. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Addresses

• Brake pulsation from rotor wear or thickness variation
• Reduced braking consistency from scored or heat-affected rotors
• Noise caused by uneven rotor surfaces
• Service replacement for front and rear brake rotor wear
• Restoring proper rotor condition during brake repair

Installation Notes and Tips

Verify rotor size and brake system configuration before installation. Replace rotors in axle pairs when servicing brake wear, and inspect pads, calipers, and mounting surfaces at the same time. Clean the hub face thoroughly to help prevent rotor runout after installation.

Quality Assurance

Use this rotor set as a direct-fit replacement for the listed Mazda MX-5 Miata and Fiat 124 Spider applications. Confirm part number 4004-80027 against the vehicle’s brake setup before ordering.