EBC S9KF1668 Front Brake Kit Yellowstuff & USR Rotors for 1990-1994 Mazda Miata

Vehicle Fitment

• 1990-1994 Mazda Miata (Base, 1.6L I4, FWD)

Features

• Complete Stage 9 front performance brake kit with pads and rotors
• EBC Yellowstuff ultra-high-friction brake pads for strong cold-bite
• USR fine-slotted sport rotors for improved heat dissipation and gas evacuation
• Thermic/Geomet anti-corrosion coating for long rotor life
• Balanced and run-out tested rotors for smooth braking feel
• Direct OEM fit - installs without modifications
• Reduced wind noise compared with traditional wide-slot rotors
• Designed for spirited street driving and occasional light track use

Specifications

• Brand: EBC Brakes
• Part Number: S9KF1668
• Position: Front brake pads and rotors
• Pad Material: Yellowstuff high-friction aramid fiber
• Rotor Type: USR fine-slotted vented sport rotors
• Rotor Diameter: ~235 mm (9.3") vented
• Bolt Pattern: 4-lug front hubs
• FMSI Pad Reference: D525

Included Components

• 2x Front Yellowstuff High-Friction Brake Pads
• 2x Front USR Fine-Slotted Sport Rotors
• Installation hardware and brake lube

Product Description

The EBC S9KF1668 Front Brake Kit is a Stage 9 performance upgrade engineered to significantly improve stopping power, heat management, and overall brake feel over stock components on compatible classic roadster applications. This matched pad and rotor set combines EBC's Yellowstuff ultra-high-friction brake pads - designed to deliver strong initial bite even from cold - with USR fine-slotted sport rotors that help dissipate heat and evacuate brake gases during repeated stops. The Thermic/Geomet anti-corrosion coating helps protect the rotors from rust and extend service life.

Designed as a direct bolt-on replacement for the front brake system on 1990-1994 Mazda Miata models, the S9KF1668 kit installs using existing mounting points with no modifications required. The fine-slotted USR rotor pattern reduces wind noise compared with wider-slot designs while providing improved cooling efficiency, making this kit ideal for enthusiasts who want a performance-oriented upgrade for spirited street driving or occasional light track use. Enhanced braking confidence, improved thermal performance, and smoother modulation make this a compelling upgrade over stock front brakes.