Focus ST big brake kit: Unleash the beast within your Focus ST. This comprehensive guide dives deep into the world of performance upgrades, exploring everything from the science behind enhanced braking to the aesthetic appeal of these impressive kits. Imagine stopping on a dime, feeling the unwavering grip of superior braking power, and turning heads with a visually stunning upgrade.
This journey will equip you with the knowledge to make the right choice for your Focus ST.
We’ll cover the essential components, installation intricacies, and the profound impact these kits have on your car’s handling and performance. We’ll also touch on the factors to consider when choosing the perfect kit for your needs and budget, plus delve into the potential issues and solutions, ensuring a smooth and enjoyable upgrade experience. Prepare to be amazed!
Introduction to Focus ST Big Brake Kits
Focus ST big brake kits are performance upgrades that significantly enhance stopping power for Ford Focus ST owners. These kits aren’t just about aesthetics; they’re about improving braking performance in various driving conditions, from spirited daily commutes to track days. They provide a tangible improvement in braking, a crucial aspect of any high-performance vehicle.Modern Focus STs, with their spirited engines and responsive handling, often require enhanced braking capabilities to match their performance.
Big brake kits address this need, providing drivers with a more confident and controlled braking experience. They are designed to withstand the increased heat and stress associated with aggressive driving.
Common Applications and Use Cases
Big brake kits are beneficial in a variety of driving situations. They allow for quicker and more controlled stops, especially in spirited driving. This is vital in challenging conditions like mountain roads, where quick, decisive braking is crucial. The increased braking force also allows for more confident braking during track days, where high speeds and intense braking are commonplace.
Performance Gains
Installing a big brake kit often leads to noticeable improvements in braking performance. Increased stopping power directly translates to quicker stopping times and a more responsive brake pedal. The ability to maintain braking force under high temperatures is also enhanced. This allows for consistent braking performance throughout various driving conditions, whether on the daily commute or during spirited driving.
Comparison of Focus ST Big Brake Kit Options
Different brands and models offer various big brake kit options for the Focus ST. The following table provides a comparison of common choices, considering size, brand, and price. Keep in mind that prices may vary based on specific features and retailer.
| Brand | Size (in.) | Estimated Price (USD) | Notes |
|---|---|---|---|
| Brembo | 14.0 | $1,500 – $2,000 | Known for high quality and performance. |
| StopTech | 13.8 | $1,200 – $1,800 | Offers a balance of performance and value. |
| Hawk Performance | 13.6 | $1,000 – $1,500 | Provides a budget-friendly option without sacrificing quality. |
Component Breakdown: Focus St Big Brake Kit
Unleashing the full potential of your Focus ST’s braking system often hinges on upgrading to a big brake kit. This isn’t just about aesthetics; it’s about enhancing performance and safety. The heart of this upgrade lies in understanding the key components and how they work together.The Focus ST big brake kit is a significant performance enhancement. It’s more than just a cosmetic change; it’s a profound improvement in braking power, allowing for more controlled stops, particularly under demanding conditions.
This detailed breakdown dives into the key components, explaining their materials, performance, and how they interact to provide superior stopping power.
Rotor Overview, Focus st big brake kit
Rotors are the workhorses of the braking system, converting kinetic energy into heat. The choice of rotor material and design greatly impacts performance. High-performance rotors often utilize materials like forged steel or cast iron for enhanced strength and heat dissipation. Forged rotors, while more expensive, are known for their superior rigidity, resulting in less distortion under heavy braking.
Cast iron rotors, while less expensive, still offer good performance and durability. The rotor’s thickness and ventilation patterns play a crucial role in heat management. Larger rotors generally provide more surface area for heat dissipation. Different rotor types, such as slotted or drilled rotors, have different advantages and disadvantages.
Calipers and Pads
Modern big brake kits often feature larger calipers, capable of clamping larger rotors with greater force. These calipers are typically constructed from high-strength aluminum alloys for lightweight performance and durability. Brake pads are crucial for friction and stopping power. High-performance pads are formulated from materials designed for maximum friction and reduced wear. The pad material composition determines its friction coefficient, which directly impacts braking performance and stopping distance.
Pad selection should be made in consideration of the rotor type and intended use of the vehicle.
Brake Lines
Proper brake line selection is paramount for optimal performance. High-performance brake lines are typically constructed from stainless steel for superior durability and corrosion resistance. Flexible brake lines are important for ensuring consistent braking force throughout the system. Braided stainless steel lines are often preferred for their lightweight nature, flexibility, and durability. A consistent pressure throughout the brake system is critical for consistent stopping performance.
A properly designed brake line system is essential for the reliability of the braking system.
Dimensional Comparison
| Rotor Size (mm) | Calipers | Pad Material | Brake Line Type |
|---|---|---|---|
| 380mm | 6 Piston | Semi-Metallic | Braided Stainless Steel |
| 390mm | 4 Piston | Ceramic | Stainless Steel |
| 355mm | 4 Piston | Organic | Braided Stainless Steel |
This table offers a concise overview of common rotor and caliper dimensions, providing a quick reference for comparing different options. Each combination offers unique characteristics, balancing performance, cost, and other factors.
Installation and Maintenance
Transforming your Focus ST’s braking prowess with a big brake kit requires meticulous attention to detail, from initial setup to ongoing upkeep. This meticulous approach ensures optimal performance and longevity, maximizing the investment you’ve made. Proper installation and maintenance are not just about functionality; they’re about safety and preserving the value of your upgrade.The journey to harnessing the power of your upgraded braking system involves a precise sequence of steps, from meticulous preparation to the final flush.
Each stage is crucial to achieving the best possible results. Understanding the intricacies of installation and maintenance guarantees that your Focus ST big brake kit operates at its peak, delivering enhanced stopping power and confidence behind the wheel.
Preparation and Tools
Thorough preparation minimizes potential issues during installation. Gather the necessary tools and components before beginning. This preemptive step ensures a smooth installation process and reduces the likelihood of unexpected delays or complications.
- Assemble all components: Ensure all necessary components, including hardware, lines, and brake pads, are readily available. Verify that all components match the specific kit you are installing. Mismatched parts can lead to compatibility issues and potentially compromised performance.
- Prepare the vehicle: Clean the brake calipers and rotors thoroughly. This will help ensure a proper seal and eliminate contaminants that might affect the performance of the new brake system.
- Gather necessary tools: A comprehensive toolkit is crucial. Consider a torque wrench, a variety of sockets, and appropriate wrenches. Refer to the specific kit’s instructions for exact torque specifications. A universal set is also a useful addition.
Bleeding and Flushing Procedures
Proper bleeding and flushing are essential for optimal brake performance. Air pockets can impede the hydraulic system’s effectiveness, resulting in reduced stopping power. Consistent, systematic procedures are vital.
- Proper bleeding techniques: Follow the manufacturer’s instructions meticulously. Incorrect bleeding techniques can lead to air pockets in the brake lines, potentially compromising the system’s functionality.
- Flush the brake fluid: A complete flush is crucial to remove contaminants and ensure the new brake fluid is properly circulated. Use the correct brake fluid type specified by the manufacturer for optimal performance and safety.
Maintenance Requirements
Regular maintenance ensures your big brake kit functions as intended. This proactive approach minimizes the risk of unexpected brake failures and maximizes the lifespan of the components.
- Pad replacement intervals: Consult the manufacturer’s guidelines for recommended pad replacement intervals. These intervals vary based on driving conditions and usage. Driving style can affect the pad life significantly. Aggressive driving will lead to shorter pad life.
- Rotor inspection: Inspect rotors regularly for signs of wear or damage. Warpage, grooves, or excessive surface damage should prompt replacement. Regular checks prevent costly repairs and ensure safe braking performance.
Recommended Tools and Materials
A well-stocked toolkit is essential for a smooth and efficient installation. The table below provides a comprehensive list of recommended tools and materials for installing a Focus ST big brake kit.
| Tool | Description |
|---|---|
| Torque Wrench | Essential for precise tightening of bolts and fasteners. |
| Socket Set | Variety of sockets for different fastener sizes. |
| Wrench Set | Various sizes of wrenches for tightening and loosening. |
| Brake Bleeder | Facilitates the removal of air from the brake system. |
| Brake Fluid | Use the correct type specified by the manufacturer. |
Performance and Handling Considerations
Big brake kits for the Focus ST aren’t just about aesthetics; they significantly alter how your car performs on the road, track, or wherever your driving adventures take you. Understanding these changes is crucial for making informed decisions about upgrading your braking system. This section dives into the specifics of how these upgrades affect braking power, handling, and track performance.Modern braking systems are intricate pieces of engineering, and a big brake kit is no exception.
It’s not simply about bigger rotors and calipers; it’s about a complete system overhaul designed to handle higher temperatures, pressures, and demands. This upgrade leads to a noticeable improvement in stopping power, but it’s essential to consider the ripple effect on other aspects of the car’s performance.
Impact on Braking Performance
Big brake kits dramatically improve braking performance. Larger rotors offer a significantly increased surface area for dissipating heat, resulting in superior fade resistance. This translates to consistent stopping power, even during extended hard braking sessions. The increased mass of the calipers and rotors, while sometimes perceived as a downside, can actually improve stopping distances, especially when combined with upgraded brake pads and fluids.
A noticeable reduction in stopping distances is a common experience with these kits, especially under heavy braking.
Effects on Handling and Steering Response
While increased stopping power is a major advantage, big brake kits can also impact handling and steering response. The added weight of the upgraded components can potentially affect the car’s balance and handling dynamics. This is usually minimal, and modern kits are designed to mitigate these effects. However, it’s important to be aware of the potential for a slight change in the car’s overall feel.
Some drivers may notice a subtle increase in brake pedal effort, but this is often negligible compared to the benefits.
Relationship Between Brake Size and Track Performance
Larger brake rotors are a crucial component for high-performance driving, especially on a track. The increased surface area allows for faster heat dissipation, preventing brake fade and ensuring consistent stopping power. This consistency is vital during high-speed maneuvers and repeated hard braking sessions, making a significant difference in track performance. Many professional racers and enthusiasts often utilize big brake kits for precisely this reason.
A larger braking system is a significant performance advantage on a track, ensuring consistent braking performance under stress.
Comparison of Different Brake Kit Options
Different big brake kit options vary in terms of rotor size, caliper type, and overall design. Some kits focus on maximizing stopping power, while others prioritize a lighter design for better handling. A kit’s design directly influences the car’s balance and overall performance. Careful consideration of the specific kit’s characteristics is essential to ensure it aligns with the driver’s needs and preferences.
Researching different brands and models and comparing their specifications is essential for making the right choice.
Braking Performance Metrics Comparison
| Metric | Stock System | Upgraded System (Example) |
|---|---|---|
| Stopping Distance (100 km/h to 0) | 45 meters | 40 meters |
| Fade Resistance (Number of consecutive hard stops) | 3-4 stops | 5-6 stops |
| Brake Pedal Effort | Moderate | Slightly Increased (but acceptable) |
Note: Stopping distances are estimates and can vary based on road conditions, driver skill, and other factors. The example upgrade is representative of a common upgrade, and specific results may differ.
Choosing the Right Kit
Finding the perfect big brake kit for your Focus ST is a journey of balancing performance, budget, and personal style. It’s not just about stopping power; it’s about finding the right fit for your driving needs and aesthetic preferences. Consider this your guide to navigating the world of upgraded braking systems.
Factors to Consider
Several crucial elements influence your decision. Budget plays a significant role, as big brake kits vary considerably in price. Performance needs also come into play. Are you primarily a weekend warrior or a track enthusiast? Your desired performance level will dictate the kit’s specifications.
Finally, aesthetic preferences matter. Do you want a subtle upgrade or a more aggressive visual statement? All these factors contribute to the ideal choice.
Brand Reputation and Quality
Numerous brands offer big brake kits for the Focus ST, each with its own reputation for quality and performance. Well-established brands often boast extensive testing and a history of dependable components. Consider researching the specific brand’s history and customer reviews to gauge their reliability and support.
Frequently Asked Questions (FAQ)
Several questions frequently arise during the selection process. One common inquiry concerns the compatibility of different kits with various Focus ST models. Another frequent question focuses on the maintenance requirements for big brake kits, including potential increases in brake pad replacement frequency. Lastly, many seek clarification on the potential impact on vehicle handling, such as changes in steering feel or braking response.
Brand Comparison
| Brand | Pricing Structure | Typical Features |
|---|---|---|
| Apex Brakes | Mid-range | High-quality rotors, consistent performance, generally good customer support. |
| StopTech | Mid-range to High-end | Wide range of kits to suit different needs, known for excellent performance, good track record. |
| Hawk Performance | High-end | Premium components, superior stopping power, exceptional durability, but comes at a higher price. |
| Brembo | High-end | Renowned for performance and engineering, typically includes advanced features, comes with a high price tag. |
This table provides a simplified overview; specific pricing will vary based on the exact kit specifications. A crucial element of the decision-making process involves thoroughly researching the available options and comparing features, performance data, and cost.
Visual Representation
Transforming your Focus ST from a capable daily driver to a visually stunning performance machine is as easy as adding a big brake kit. The right kit not only enhances the car’s stopping power, but it also dramatically alters its visual appeal, giving it a more aggressive and sporty look.
Detailed Description of a Focus ST with a Big Brake Kit
A Focus ST fitted with a big brake kit exhibits a noticeable upgrade in its aesthetic. The most immediate difference lies in the larger brake rotors and calipers. These components, often finished in vibrant colors like red, blue, or gold, become a focal point, drawing the eye and enhancing the car’s aggressive stance. The larger rotors provide a substantial increase in braking surface area, which is visually apparent and contributes to the car’s overall sporty appearance.
Appearance of Various Components
The calipers, typically larger and more substantial than stock, are a key visual element. They often feature a distinctive design, enhancing the car’s sporty and powerful aesthetic. The increased size of the rotors directly impacts the overall visual presence of the wheels, creating a more prominent and aggressive look. The upgraded brake lines, often braided stainless steel, add a touch of sporty elegance and contribute to the overall visual appeal.
The kit may also include new hardware or brackets to mount the upgraded components. These components, if not painted or coated in a matching finish, add a touch of contrast that draws attention to the upgrades.
Impact on Overall Vehicle Appearance
The visual impact of a big brake kit is substantial. Compared to a stock Focus ST, the car with the kit presents a more aggressive and sporty profile. The larger brake components add a dramatic touch, shifting the vehicle’s visual center of gravity and making it appear more powerful and focused. The upgraded components, such as the calipers and rotors, often feature a polished or painted finish, which adds a touch of elegance and accentuates the vehicle’s sporty design.
This enhancement results in a more focused and powerful aesthetic compared to the stock model.
Comparison with a Stock Focus ST
A visual comparison highlights the significant difference. The stock Focus ST often presents a more understated appearance, while the big brake kit adds a significant visual upgrade. The larger brake components create a more aggressive and sporty look, instantly drawing attention to the vehicle’s upgraded performance features. The kit adds visual depth and complexity, shifting the focus from the stock car’s understated profile to a more prominent and noticeable upgrade.
Table of Different Big Brake Kit Options
The following table showcases various big brake kit options for the Focus ST, categorized by brand and style, with visual representations of each. Note that these are examples and visual representation cannot be displayed in text format.
| Brand | Style | Visual Description |
|---|---|---|
| Brand A | Aggressive | Featuring large, bright red calipers and matching hardware with a black rotor. This kit gives the car a very noticeable, high-performance visual upgrade. |
| Brand B | Sleek | This kit showcases a dark gray or black finish for the calipers and hardware, contrasting with polished rotors. The kit provides a more subtle, but equally noticeable, visual enhancement. |
| Brand C | Custom | This kit allows for customization with various color options for calipers and hardware, providing a personalized look. The customizability allows the owner to create a look that perfectly matches their personal preferences. |
Potential Issues and Solutions
Big brake kits, while boosting stopping power, introduce new potential challenges. Proper installation and ongoing maintenance are crucial for maximizing performance and preventing costly repairs. Understanding potential issues and their solutions empowers owners to enjoy the enhanced braking experience safely and reliably.The journey from a stock braking system to a performance upgrade is a significant step. It’s like upgrading your car’s engine—while delivering a notable performance improvement, it necessitates understanding the intricacies of the system.
This section delves into potential hurdles, equipping you with the knowledge to navigate them effectively.
Brake Squeal
Brake squeal, a high-pitched noise during braking, often results from friction between brake components. This can arise from several factors, including improper pad material selection, caliper alignment issues, or even a warped rotor.
- Proper pad selection is paramount. Ensuring the pads are compatible with the kit and the vehicle’s braking system is crucial. Refer to the manufacturer’s specifications and recommendations. The pads’ friction coefficient is critical; too much friction can cause squealing.
- Inspect the caliper mounting points for any looseness or misalignment. Tighten any loose bolts or adjust the caliper mounting positions to ensure even pressure distribution across the rotor. Consider applying a thin layer of anti-seize compound to the mounting points for easier future adjustments.
- A warped rotor is a frequent culprit. Inspect the rotor for any visible warping or unevenness. A warped rotor will cause uneven pad contact, leading to squealing. If a rotor is warped, replacement is often necessary.
Rotor Warping
Rotor warping, a common issue, can compromise braking performance and safety. Several factors can contribute to this problem, including excessive heat, improper installation, or even a sudden hard stop.
- Excessive heat buildup, particularly during spirited driving or frequent hard braking, is a primary cause. Maintaining appropriate braking temperatures by avoiding aggressive braking and using cooling components, such as larger brake rotors and calipers, is essential.
- During installation, ensure the rotors are correctly seated and that the installation procedures adhere to manufacturer guidelines.
- Sudden hard stops can stress the rotors, potentially causing warping. While this is unavoidable in some situations, driving habits that minimize the occurrence of sudden braking should be prioritized.
Table of Common Problems and Solutions
| Problem | Solutions |
|---|---|
| Brake Squeal | Check pad compatibility, inspect caliper alignment, and verify rotor condition. Consider using anti-seize compound on caliper mounting points. |
| Rotor Warping | Maintain appropriate braking temperatures, follow installation procedures meticulously, and be mindful of sudden braking maneuvers. |
| Reduced Braking Performance | Ensure proper pad and rotor compatibility, and examine fluid levels. |
Importance of Maintenance
Regular maintenance is crucial for mitigating potential issues and ensuring the longevity of the big brake kit. This includes checking brake fluid levels, inspecting brake pads for wear, and examining rotors for warping or damage.
