PowerStop KC2439 Front Z23 Brake Kit 300mm 5-Lug Acura Honda RSX Civic

Vehicle Fitment

• 2002-2006 Acura RSX (Base / Type-S, 2.0L I4, FWD, 5-lug)
• 2006-2011 Honda Civic (DX / LX / EX / Si / Hybrid, FWD, 5-lug)

Fitment Notes

• Front axle brake kit only (2-wheel set)
• Designed for 300mm front rotor applications
• 5-lug factory wheel configuration required
• Not compatible with aftermarket big brake conversions or non-OE knuckles

Features

• Z23 Evolution Sport performance brake system
• Drilled & slotted rotors for improved heat dissipation
• Carbon-fiber ceramic pads for reduced dust and noise
• Red powder-coated calipers for corrosion resistance
• Direct bolt-on OEM replacement design
• Improved braking response over stock components
• Thermally stable under repeated braking conditions
• Pre-bedded pad formulation for faster break-in

Specifications

• Front rotor diameter: 300 mm
• Rotor construction: Vented, cross-drilled & slotted
• Caliper piston type: Single-piston floating design
• Wheel lug pattern: 5-lug (114.3 mm)
• Pad material: Carbon-fiber ceramic (Z23 compound)
• Rotor finish: Zinc-coated corrosion protection
• Position: Front axle
• Series: Z23 Evolution Sport

Included Components

• 2x Front brake rotors (300mm)
• 1x Front brake pad set
• 2x Front calipers (red powder-coated)
• Installation hardware kit
• Brake lubricant packet

Product Description

The PowerStop KC2439 is a front axle Z23 Evolution Sport brake kit designed to upgrade braking performance on select Acura and Honda vehicles. It replaces factory rotors, pads, and calipers with a matched performance system engineered for improved stopping power and durability.

This kit features drilled and slotted rotors combined with carbon-fiber ceramic brake pads to reduce heat buildup, brake dust, and noise. The red powder-coated calipers provide corrosion resistance while also enhancing the visual appearance behind the wheels.

Designed for direct bolt-on installation, the KC2439 maintains OEM fitment while improving brake response and pedal feel compared to factory systems. It is ideal for daily driving and light performance use, offering a balanced upgrade in stopping performance and longevity.