PowerStop Z23 Evolution Kit Calipers (REAR)

2008–2015 Scion xB

KC4737A

Overview:

The PowerStop Z23 Evolution Kit Calipers (REAR) is a comprehensive brake upgrade solution designed specifically for the 2008–2015 Scion xB. This kit offers an easy, bolt-on enhancement that transforms your vehicle’s braking performance without the need for complicated modifications. Ideal for daily drivers seeking improved stopping power, the Z23 Evolution Kit combines advanced components to deliver reliable, consistent braking in a variety of driving conditions.

PowerStop’s mission with the Z23 Evolution Kit is to provide a complete brake upgrade that is accessible to all drivers, regardless of their experience level or how they use their vehicle. This kit is engineered to replace standard, off-the-shelf parts with premium components that enhance safety, durability, and aesthetics.

Key Features:

The Z23 Evolution Kit Calipers (REAR) includes a carefully selected combination of parts designed to maximize braking efficiency and longevity. Key features include:

• Drilled and slotted rotors for improved heat dissipation and reduced brake fade
• Carbon-fiber ceramic brake pads featuring a low-dust formula to keep wheels cleaner
• Powder coated calipers that resist corrosion and add a striking visual upgrade
• Premium stainless-steel hardware for enhanced durability and secure installation
• Complete kit designed for a direct bolt-on fit, requiring no additional modifications
• Improved braking power for safer stops in everyday driving and spirited conditions
• Rotors treated to resist rust and corrosion, extending service life
• Balanced combination of performance and low maintenance for daily use

Construction & Design:

The Z23 Evolution Kit is engineered with quality and longevity in mind. The rotors are precision-machined and feature drilled holes and slots that help dissipate heat and gases generated during braking. This design reduces the risk of brake fade and maintains consistent stopping power under stress.

The carbon-fiber ceramic brake pads are formulated to provide strong initial bite and smooth engagement while producing minimal brake dust, preserving the appearance of your wheels. The rear calipers are powder coated to protect against corrosion and wear, ensuring they maintain their vibrant finish over time.

All hardware included is made from premium stainless steel, which resists rust and maintains secure connections throughout the life of the brake system.

Installation & Fitment:

The PowerStop Z23 Evolution Kit Calipers (REAR) is designed for a straightforward, bolt-on installation on 2008–2015 Scion xB models. This kit includes all necessary components to replace your factory rear brake system without the need for additional parts or modifications. Installation can typically be completed with standard hand tools and basic mechanical knowledge, making it accessible for both DIY enthusiasts and professional installers.

What's Included:

• Rear drilled and slotted rotors
• Carbon-fiber ceramic brake pads
• Powder coated rear calipers
• Premium stainless-steel mounting hardware

Ideal For:

This brake upgrade kit is perfect for Scion xB owners who want to enhance their vehicle’s braking performance and aesthetics without the complexity of custom setups. It suits daily drivers who demand reliable stopping power, reduced brake dust, and a corrosion-resistant finish that keeps their wheels looking clean and sharp. Whether commuting, running errands, or enjoying occasional spirited driving, the Z23 Evolution Kit offers a balanced and affordable performance boost.

PowerStop builds complete, vehicle-specific brake upgrade kits—pads, rotors, hardware and more—designed as an easy bolt-on way to improve stopping performance. With options aimed at towing, spirited street driving, and more aggressive use, PowerStop is a popular choice when you want a straightforward brake upgrade with better feel and confidence than stock.