20/08/2019
When it comes to upgrading your vehicle's braking system, PowerStop has established itself as a go-to brand for many enthusiasts and everyday drivers alike. But what exactly does a PowerStop brake upgrade kit include, and how do these components work together to deliver improved stopping power and reliability? Understanding the contents of these kits is crucial to appreciating the significant upgrade they offer over standard factory brakes. Whether you're looking to enhance daily driving safety, improve performance for spirited driving, or handle heavy loads with more confidence, a PowerStop kit provides a comprehensive solution designed to meet various demands.

These kits aren't just about replacing worn-out parts; they're engineered to provide a noticeable enhancement in brake feel, thermal management, and overall longevity. Each component is carefully selected to work in harmony, ensuring a balanced and effective braking system. Let's delve into the specific items you'll typically find in a PowerStop brake upgrade kit and explore the benefits each brings to your vehicle.
Core Components of a PowerStop Brake Kit
PowerStop prides itself on offering complete, bolt-on solutions. This means that when you purchase one of their kits, you're getting everything you need for a thorough brake overhaul, designed for easy installation and optimal performance right out of the box. The exact contents can vary slightly depending on the specific kit series, but the fundamental components remain consistent.
Drilled & Slotted Brake Rotors
One of the most visually distinctive and functionally important components in a PowerStop kit are the specially designed rotors. Unlike plain, factory-style rotors, PowerStop rotors typically feature both drilling and slotting. These design elements serve multiple critical purposes:
- Enhanced Cooling: The cross-drilled holes help to dissipate heat more effectively. Braking generates immense heat, and excessive heat can lead to brake fade, where the brakes lose their effectiveness. Improved cooling maintains consistent performance even under heavy braking.
- Gas & Debris Expulsion: The slots on the rotor surface act as channels to sweep away gasses, dust, and debris that can accumulate between the brake pad and rotor. This ensures a cleaner contact patch, leading to more consistent friction and reduced noise.
- Improved Wet Weather Performance: The slots also help to wick away water from the rotor surface, ensuring more immediate and effective braking in wet conditions, which is a significant safety benefit.
- Reduced Glazing: By continuously cleaning the pad surface, the slots help prevent glazing of the brake pads, which can reduce their effectiveness over time.
These rotors are typically made from a high-quality cast iron, often with a silver zinc dichromate plating that provides corrosion resistance and a clean, appealing look through your wheels.
Z-Series Ceramic Brake Pads
Paired with the drilled and slotted rotors are PowerStop's custom-formulated Z-series ceramic brake pads. These aren't your average replacement pads; they are engineered for superior performance characteristics:
- Low Dust Formula: One of the most common complaints about performance brakes is excessive brake dust that quickly dirties wheels. PowerStop's ceramic formula significantly reduces dust, keeping your wheels cleaner for longer.
- Noise-Free Operation: Ceramic pads are renowned for their quiet operation. PowerStop pads are formulated to virtually eliminate noise, squeal, and chatter, providing a smooth and silent braking experience.
- Excellent Stopping Power: While being low-dust and quiet, these pads do not compromise on stopping power. They provide a strong initial bite and consistent friction across a wide range of temperatures.
- Extended Pad Life: Ceramic compounds tend to last longer than traditional semi-metallic pads, offering better durability and reducing the frequency of replacements.
- Low Rotor Wear: The ceramic material is designed to be gentle on the rotors, contributing to the longevity of the entire braking system.
Each kit specifies the appropriate Z-series pad (e.g., Z23 Evolution Sport, Z36 Truck & Tow) to match the intended application and performance level.
Often overlooked but critically important, PowerStop kits include new premium stainless steel hardware. This typically consists of:
- Stainless Steel Installation Clips: These clips ensure proper pad alignment and movement within the caliper bracket, preventing sticking and uneven wear.
- New Rubber Boots and Pins (where applicable): For certain applications, new caliper pins and rubber boots are included to ensure smooth caliper operation and protect against moisture and contaminants.
Using new hardware is vital for proper brake function and longevity. Old, corroded hardware can lead to noise, uneven pad wear, and reduced braking efficiency.
High-Temperature Brake Lubricant
Every PowerStop kit comes with a packet of high-temperature brake lubricant. This specialised grease is applied to the caliper slide pins, the back of the brake pads (where they contact the caliper piston and mounting clips), and other metal-to-metal contact points. Its purpose is to:
- Prevent Noise: Lubrication prevents metal-on-metal contact that can cause squealing and grinding noises.
- Ensure Smooth Operation: It allows brake pads to move freely within the caliper, ensuring even wear and consistent braking.
- Protect Against Corrosion: The lubricant also helps to protect against corrosion on critical moving parts.
Using the correct type of lubricant and applying it properly is a key step in ensuring a quiet and effective brake job.
Types of PowerStop Brake Kits
PowerStop offers a diverse range of kits, each tailored to specific vehicle types and driving needs. Understanding these distinctions helps you choose the right kit for your particular application:
- Z16 Evolution Ceramic Geomet Coated Brake Kit: Designed as an OEM replacement, offering superior stopping power, less dust, and noise-free operation compared to stock brakes. Ideal for daily drivers seeking a reliable and clean upgrade.
- Z23 Evolution Sport Brake Kit: A popular choice for street performance. It combines drilled and slotted rotors with carbon-fibre ceramic pads for significantly improved stopping power, reduced fade, and enhanced aesthetics. Perfect for enthusiasts who want more spirited driving capabilities.
- Z26 Street Warrior Brake Kit: Engineered for high-performance street cars and muscle cars. These kits feature carbon-fibre ceramic pads designed for aggressive street driving, offering maximum stopping power with minimal fade and dust.
- Z36 Truck & Tow Brake Kit: Specifically designed for trucks, SUVs, and 4x4s that frequently tow or haul heavy loads. The Z36 kit features heavy-duty drilled and slotted rotors and carbon-fibre ceramic pads built to withstand extreme heat and provide excellent stopping power under demanding conditions.
- Z37 Top Cop Brake Kit: Developed for police and fleet vehicles, this kit offers extreme stopping power and durability for severe-duty applications, ensuring reliability in critical situations.
- Z39 Extreme Truck & Tow Brake Kit: An even more robust option than the Z36, designed for the most extreme towing and hauling needs, providing ultimate control and thermal stability.
Each series is meticulously engineered to provide optimal efficiency and safety for its intended use, ensuring that whether you're commuting, cornering, or towing, your brakes are up to the task.
Benefits of a PowerStop Brake Upgrade
Investing in a PowerStop brake upgrade kit goes beyond just replacing worn components; it's an investment in your vehicle's overall performance and, crucially, your safety. The integrated design of these kits ensures that all components work together seamlessly to provide a superior braking experience.
- Significantly Improved Stopping Power: The combination of performance-oriented pads and rotors results in shorter stopping distances and a more confident brake feel.
- Reduced Brake Fade: The drilled and slotted rotors, combined with high-temperature ceramic pads, effectively manage heat, drastically reducing the likelihood of brake fade during repeated or heavy braking.
- Quieter Operation: PowerStop's ceramic formula and careful engineering virtually eliminate the common squeals and noises associated with braking.
- Less Brake Dust: A major aesthetic benefit, the low-dust ceramic pads keep your wheels cleaner for longer, reducing the need for frequent washing.
- Enhanced Durability and Longevity: The quality materials and thoughtful design contribute to a longer lifespan for both pads and rotors compared to many OEM parts, offering better value over time.
- Improved Aesthetics: The silver zinc-plated, drilled and slotted rotors add a distinct, performance-oriented look to your vehicle, visible through alloy wheels.
- Ease of Installation: Designed as direct bolt-on replacements, PowerStop kits simplify the installation process, making them a popular choice for both DIY mechanics and professional workshops.
Comparative Overview: PowerStop Z23 vs. Z36
To illustrate the specialisation of PowerStop kits, here's a brief comparison between two popular series:
| Feature | PowerStop Z23 Evolution Sport | PowerStop Z36 Truck & Tow |
|---|---|---|
| Primary Application | Street performance, daily driving | Trucks, SUVs, heavy towing/hauling |
| Brake Pad Material | Carbon-fibre ceramic | Carbon-fibre ceramic (heavy-duty) |
| Rotor Design | Drilled & Slotted (standard) | Drilled & Slotted (heavy-duty casting) |
| Heat Resistance | Excellent for spirited street use | Superior for extreme heat from heavy loads |
| Dust Output | Very low | Very low |
| Noise Level | Virtually silent | Virtually silent |
| Brake Feel | Responsive, firm pedal | Confident, strong, especially under load |
| Durability | Long-lasting street performance | Exceptional durability for demanding use |
As you can see, while both offer significant improvements, they are distinctly tailored for different demands, highlighting the importance of selecting the correct kit for your vehicle's primary use.

Frequently Asked Questions About PowerStop Brake Kits
Are PowerStop kits difficult to install?
PowerStop kits are designed as direct bolt-on replacements for your factory braking system. This means they fit directly onto your vehicle without requiring any modifications. For anyone with basic mechanical knowledge and the right tools, installation is typically straightforward and similar to a standard brake job. However, if you're unsure, professional installation is always recommended.
Do PowerStop kits come with everything I need?
Yes, one of the main advantages of PowerStop kits is their completeness. They include rotors, brake pads, premium stainless steel hardware, and high-temperature brake lubricant – everything required for a full brake replacement on a given axle (front or rear, depending on the kit purchased).
What is the break-in procedure for PowerStop brakes?
Proper break-in (also known as bedding-in) is crucial for optimal performance and longevity. PowerStop provides specific instructions, but generally, it involves a series of moderate stops from varying speeds (e.g., 5-6 stops from 40 mph down to 10 mph, then 2-3 aggressive stops from 35 mph down to 5 mph) without coming to a complete stop, followed by a cool-down period. This process properly transfers a layer of pad material onto the rotor surface, ensuring maximum friction and reducing noise.
Are PowerStop brakes noisy?
No, PowerStop's Z-series ceramic brake pads are specifically formulated for noise-free operation. When properly installed and bedded-in, these kits are known for being exceptionally quiet, often quieter than OEM brakes.
Do PowerStop brakes produce a lot of dust?
One of the key benefits of PowerStop's ceramic pad formula is its very low dust output. You will notice significantly less brake dust accumulating on your wheels compared to traditional semi-metallic pads.
How long do PowerStop brakes last?
The lifespan of PowerStop brakes depends heavily on driving style, vehicle application, and maintenance. However, due to their quality materials and robust design, they typically offer excellent durability and a longer lifespan than many standard OEM components, especially under demanding conditions where their heat management capabilities shine.
Are PowerStop kits suitable for track use?
While PowerStop kits offer a significant performance improvement over stock brakes and can handle spirited street driving, most of their popular Z-series kits (like Z23, Z26) are primarily designed for street use. For dedicated track or racing applications, a more specialised, race-specific braking system might be required due to the extreme temperatures and sustained high-stress conditions encountered on a race circuit. Always check the specific kit's intended application.
In conclusion, a PowerStop brake upgrade kit is far more than just a collection of parts; it's a meticulously engineered system designed to elevate your vehicle's stopping power, reduce noise and dust, and enhance overall driving safety. By understanding the comprehensive nature of these kits – from the drilled and slotted rotors to the advanced ceramic pads and all the necessary hardware – you can make an informed decision to significantly improve your vehicle's braking performance and enjoy a more confident driving experience.
If you want to read more articles similar to PowerStop Brake Kits: What's Included?, you can visit the Brakes category.
