EBC Ultimax Slotted Rear Brake Rotors ebcRK643 for 1990–1994 Mazda Miata MX-5 1.6

EBC Ultimax Slotted Rotors offer you the performance of slotted rotors but without the air noise that is normally associated with slotted rotors. The progressively angled slots on the EBC Ultimax Slotted Brake Rotors offer quiet brake operation without that excessive air noise, while still allowing the slots to help keep your brakes cool. The angled slots pull in cool air for cooler brake operation which helps your brakes perform at their best. The slots also help to clear any excess dust and debris to help keep pad grip to a maximum while also increasing pad longevity. For FMSI Pad No. D458

• Ultimax OE Style Disc Kit

Upgrade the braking performance of your 1990–1994 Mazda Miata MX-5 1.6 with EBC Ultimax Slotted Rear Brake Rotors, part number ebcRK643. Designed as an OE-style disc kit, these premium rotors provide the functional benefits of slotted brake rotors while minimizing the excessive air noise often associated with aggressive slot designs. The progressively angled slots support quiet, confident brake operation for street-driven vehicles.

Feature: Progressively angled slots help draw cool air across the braking surface, supporting cooler operation during repeated braking. The slot design also helps clear excess dust, debris, and gases from between the rotor and brake pad to maintain consistent pad contact and braking grip. By helping manage heat and surface contamination, EBC Ultimax rotors can contribute to dependable pedal feel, improved pad performance, and extended pad service life.

Feature: OE-style construction is engineered for a direct replacement installation on compatible applications, making this rotor kit a practical choice for maintaining or upgrading the factory rear braking system. The rotors are intended for use with FMSI pad number D458 and are sold as a complete rear rotor kit. Verify vehicle application and existing brake configuration before installation.

What's Included: One EBC Ultimax OE-style slotted rear disc kit. Brake pads, installation hardware, and vehicle-specific accessories are not included unless otherwise stated. Professional installation is recommended, and all brake components should be inspected before use.

Fitment: Designed for 1990–1994 Mazda Miata MX-5 models equipped with the 1.6-liter engine and compatible rear brake configuration.

Features:

• Progressively angled slots help promote cooler brake operation during repeated use
• Quiet slotted design reduces the excessive air noise commonly associated with slotted rotors
• Slots help clear brake dust and debris to maintain pad contact and braking grip
• OE-style rear disc kit supports direct replacement installation on compatible 1990–1994 Mazda Miata MX-5 1.6 applications

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1