EBC S4KR1277 Rear Brake Kit Redstuff & USR Rotors for 03-05 Mazda 6/Protege

Vehicle Fitment

• 2003-2005 Mazda 6 (i/S, 2.3L/3.0L, Rear, 5-lug)
• 2003 Mazda Protege (DX/ES/LX/Mazdaspeed, 2.0L, Rear, 5-lug)

Features

• Performance rear brake disc and pad upgrade kit
• EBC Redstuff ceramic low-dust, high-friction brake pads
• USR fine slotted sport rotors for improved cooling and debris evacuation
• Slotted rotor design reduces brake fade under spirited driving
• Geomet/thermic anti-rust coating for enhanced corrosion resistance
• Direct bolt-on replacement - no modification required
• Balanced pad and rotor pairing for consistent braking feel
• Designed for street performance and daily use

Specifications

• Brand: EBC Brakes
• Part Number: S4KR1277
• Position: Rear
• Rotor Diameter: ~280 mm / 11.0 in (solid, slotted)
• Rotor Finish: Geomet/thermic anti-rust coating
• Pad Material: Aramid fiber ceramic (Redstuff)
• Lug Pattern: 5-lug rear hubs
• Recommended Use: Performance upgrade for Mazda compact sedans

Included Components

• 2x Rear USR slotted brake rotors
• 4x EBC Redstuff ceramic brake pads (sufficient for both rear wheels)
• Shims and hardware as required for installation

Product Description

The EBC S4KR1277 Rear Brake Kit is a dedicated performance upgrade designed for select Mazda rear brakes, including Mazda 6 (2003-2005) and Mazda Protege (2003). This kit pairs high-friction Redstuff ceramic brake pads with USR sport slotted rotors to deliver improved braking performance with significantly reduced brake dust compared to many OEM pads. The slotted rotor design promotes effective heat dissipation and helps evacuate brake gas and debris during spirited driving, improving fade resistance and consistent stopping power.

Installation is straightforward with direct bolt-on fitment to the factory rear 5-lug hubs without modification. The Geomet/thermic anti-rust coatings on the rotors help protect against corrosion for long service life. This kit is ideal for Mazda owners who want a performance-oriented rear brake upgrade for street driving and everyday use, offering a blend of enhanced stopping performance and everyday usability. Always confirm specific year, trim, and drivetrain compatibility before installation to ensure proper fit.