Dynamic Friction
DFC Brake Rotor - Drilled and Slotted - Silver

Dynamic Friction 631-80073L Disc Brake Rotor - Front Left

Brand Dynamic Friction 631-80073L
Position Front Left
Discard Thickness 20
Nominal Thickness 22
Disc Finish Plain
Hat Finish Zinc silver
Rust Resistant Coating Yes
Bolt Hole Quantity 4
Overall Height 44
Outside Diameter 280
Height 44
Surface Type Slotted x drilled
Solid Or Vented Type Rotor Vented
Center Hole Diameter 55
Stud/Lug Hole Quantity 4
Stud/Lug Hole Diameter 13.2
Directional or Non-Directional Brake Surface Directional
Bolt Circle Diameter 100
Stud/Lug Hole Circle Diameter 100
Product line DFC Brake Rotor - Drilled and Slotted - Silver
Fits Fiat and Mazda · 15 vehicles

Slotted and drilled. Directional brake surface supports consistent pad contact and heat control.

Corrosion protection. Zinc silver hat finish and rust-resistant coating help protect exposed surfaces.

Fitment-specific rotor. Application-matched dimensions and 100 mm bolt circle for listed brake packages.

$92.65Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $92.65
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

The Dynamic Friction 631-80073L is a vented disc brake rotor with a slotted and drilled surface, built for specific Brembo-equipped applications. Its zinc silver hat finish and rust-resistant coating help protect exposed surfaces, while the directional braking surface supports consistent pad contact.

Compatible With Mazda MX-5 Miata and Fiat 124 Spider applications that use the listed front left brake setup, this rotor is a direct fit for the specified performance brake packages. The 631-80073L is a fitment-specific replacement for drivers looking for the correct rotor dimensions and surface design in one part.

Key Features

  • Slotted and drilled rotor surface for performance-oriented braking.
  • Vented construction for improved heat management.
  • Zinc silver hat finish with rust-resistant coating.
  • Directional brake surface for the listed application.
  • 4-bolt, 4-lug pattern with 100 mm bolt circle.

Detailed Description

Dynamic Friction 631-80073L is a disc brake rotor engineered around the dimensions and mounting pattern required by the listed Mazda MX-5 Miata and Fiat 124 Spider Brembo brake packages. It measures 280 mm in outside diameter, 44 mm in overall height, and uses a 55 mm center hole with 13.2 mm lug holes. The vented design and slotted X drilled surface support heat dissipation and pad bite, while the plain disc finish and zinc silver hat finish provide a clean, corrosion-resistant appearance.

This rotor is intended for front left applications only and should be matched to the exact brake package shown in the fitment data. The 631-80073L part number is useful when verifying the correct rotor for Mazda MX-5 Miata and Fiat 124 Spider performance brake configurations.

What It Is Used For

  • Replacing a worn or damaged performance brake rotor.
  • Restoring correct rotor dimensions for Brembo brake packages.
  • Addressing brake pulsation caused by rotor wear or surface damage.
  • Maintaining proper pad contact on directional rotor applications.
  • Correcting corrosion on exposed rotor surfaces.

Installation Notes and Tips

Verify the brake package, rotor dimensions, bolt pattern, and front left position before installation. This rotor is listed only for the exact Mazda MX-5 Miata and Fiat 124 Spider applications shown in the fitment data. Confirm the part number 631-80073L against the existing rotor and brake hardware before ordering.

Quality Assurance

Dynamic Friction supplies this rotor as a fitment-specific replacement with corrosion-resistant surface treatment and application-matched dimensions. The 631-80073L part number helps confirm the correct rotor for the listed brake packages.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2026MazdaMX-5 Miata—Front LeftBrembo Front Brakes (Red Calipers); DFC Brake Rotor - Drilled and Slotted - Silver
2025MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2024MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2023MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2022MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2021MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2020Fiat124 SpiderAbarthFront LeftAbarth Brembo Performance Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2020MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2019Fiat124 SpiderAbarthFront LeftAbarth Brembo Performance Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2019MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2018Fiat124 SpiderAbarthFront LeftAbarth Brembo Performance Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2018MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2017Fiat124 SpiderAbarthFront LeftAbarth Brembo Performance Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2017MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver
2016MazdaMX-5 MiataClubFront LeftBrembo Front Brakes; DFC Brake Rotor - Drilled and Slotted - Silver