What’s the Best Way to Install an Aftermarket Big Brake Kit on a Toyota Supra for Track Use?

If you’re a gearhead, speed enthusiast, or just love pushing your Toyota Supra to new limits on the track, then you know that effective braking is as crucial as high performance. You understand that a powerful engine needs an equally powerful brake system to ensure safety and control. While the stock brakes on a Toyota Supra are reliable for daily use, they may not suffice for the intense demands of track use. Hence, upgrading to an aftermarket big brake kit is a wise decision.

This comprehensive guide will shed light on the best way to install an aftermarket big brake kit on a Toyota Supra for track use, from choosing the right kit to the installation process. We’ll dive into the specifics of components like the rotor, caliper, front and rear brake pads, and more.

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Choosing the Right Brake Kit

Before we get our hands dirty with the installation process, it’s crucial to select the right big brake kit that will boost your Supra’s performance. Big brake kits typically contain larger rotors, high-performance pads, and multi-piston calipers.

When considering a brake kit, focus on the rotors. A larger rotor provides a bigger surface area for the brake pad to grab onto, allowing for more effective heat dissipation and better braking performance. Slotted rotors are particularly popular for track use as they provide great heat dissipation capabilities.

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Next, consider the calipers. Look for multi-piston calipers that distribute pressure across the brake pads evenly, resulting in more consistent braking power. For the best results, opt for four, six, or even eight-piston calipers.

Lastly, the high-performance pads that come with the kit should be designed to withstand high temperatures without losing effectiveness.

Preparing for Installation

Once you have picked the right brake kit for your Supra, it’s time to prepare for the installation. To start, ensure you have all the necessary tools, such as a jack, lug wrench, socket set, and torque wrench.

Before you begin, remember to wear safety glasses to protect your eyes from debris. Furthermore, it’s important to securely elevate your car with a jack stand or lift. Always check the stability of the vehicle before starting any work.

Installing the Front Brake Kit

Begin with the front brake kit. Start by removing the wheel, followed by the brake caliper and rotor. Be careful when disconnecting the brake line from the caliper to prevent brake fluid from spilling.

Next, install the new rotor. Ensure it’s correctly oriented and sits flush against the hub. Then, attach the new caliper using the provided bolts in the kit. Ensure the caliper is correctly positioned over the rotor and tighten the bolts to the manufacturer’s specifications.

Subsequently, install the new brake pads into the caliper. Make sure the pads are oriented correctly, with the friction material facing the rotor. Lastly, reconnect the brake line to the caliper and bleed the brake system to remove any air trapped in the line.

Installing the Rear Brake Kit

The process for installing the rear brake kit is similar to the front. Begin by removing the wheel, followed by the caliper and rotor. Then, install the new rotor so it sits flush against the hub.

Next, position the new caliper over the rotor and secure it using the provided bolts. Once again, tightening them to the manufacturer’s specifications is crucial. Install the new brake pads, ensuring they are correctly oriented and reinstall the brake line.

Remember, upgrading your brake system is not complete without bleeding the brakes. This process removes any potential air bubbles in the brake lines, which can decrease brake performance. Use a brake bleeder kit and follow the manufacturer’s instructions for this task.

Adjusting the Brake System for Track Performance

After installing the new big brake kit, some adjustments may be required to achieve optimal track performance. You might need to adjust the brake balance between the front and rear brakes, depending on your driving style and the track conditions.

Additionally, consider investing in high-performance brake fluid designed for high-temperature track use. Regular brake fluid can boil under extreme track conditions, leading to a spongy brake pedal and reduced braking performance.

Finally, remember that even the best brake kit will not perform optimally without the right tires. Tires are the only point of contact between your Supra and the track, and they play a crucial role in transmitting the braking force from the brakes to the road. Invest in high-quality, track-rated tires to ensure the best possible braking performance.

Now that you have upgraded your Toyota Supra with a new big brake kit, you’re ready to hit the track. Enjoy the enhanced performance and the peace of mind that comes with having a reliable, high-performance braking system. Remember, safety is paramount, especially when pushing the limits on a track. So always ensure your brakes are in top condition before any track day.

Upgrading Brake Lines and Master Cylinder

Now that your brand new brake kit is installed, it’s time to pay attention to other components that contribute to efficient braking. The brake lines in your Toyota Supra play an essential role in delivering brake fluid from the master cylinder to the calipers. The master cylinder, on the other hand, is responsible for converting the mechanical force applied on the brake pedal into hydraulic pressure. Upgrading these can improve the overall efficacy of your brake system.

Consider replacing the stock brake lines with stainless steel lines. These offer superior resistance to expansion under high pressure and heat, providing a firmer and more responsive brake pedal feel. They also promise improved durability and longevity compared to the stock rubber brake lines.

Upgrading the master cylinder can further enhance your brake system’s performance. A larger master cylinder can deliver more fluid to the calipers, which results in greater stopping power. However, this could also necessitate more pedal effort. Therefore, it’s important to find a balance between stopping power and pedal feel that suits your driving style.

Evaluating Brake Performance and Regular Maintenance

After you’ve successfully installed the big brake kit and upgraded the other crucial components, it’s essential to evaluate the performance of the new setup. Take your Toyota Supra for a test drive in a controlled environment before hitting the track. Pay close attention to the brake pedal feel, stopping power, and any unusual noises. If you notice any issues, you may need to recheck the installation or make further adjustments.

Regular maintenance is key to ensure your brake system continues to deliver optimum performance. This includes regular brake fluid changes, especially if you’re using high-performance fluid designed for high heat. Due to its hygroscopic nature, brake fluid can absorb moisture over time, which can decrease its boiling point and adversely affect braking performance.

Remember to inspect the brake pads regularly for signs of uneven wear or damage. Even high-quality pads can wear out faster under sustained high track use. Also, monitor the condition of your rotors. While drilled and slotted rotors offer excellent performance, they can wear out faster than solid rotors.


Upgrading to a big brake kit is a highly effective way to enhance the performance and safety of your Toyota Supra for track use. With bigger rotors, high performance pads, multi-piston calipers, along with stainless steel brake lines and an upgraded master cylinder, you can truly maximize your Supra’s stopping power. However, installation should be carried out with utmost care, and regular maintenance is crucial to ensure sustained high performance.

Remember, your brake system is as important as your engine when it comes to track performance. With the right brake upgrade, not only will you enjoy improved performance, but you’ll also experience the peace of mind knowing that your vehicle is equipped to handle the rigors of track use. So, get your gear ready, fasten your seatbelts, and enjoy the thrill of racing with your upgraded Toyota Supra!