Everything You Need to Know About Clutch Kits for Custom Cars

When customizing a car, every part counts. One of the most important components that often gets overlooked is the clutch kit. Whether you’re upgrading for better performance or replacing a worn-out part, understanding clutch kits can make a big difference in how your car drives and feels. I’ve spent a lot of time working on custom cars, and I want to share what I’ve learned about clutch kits to help you make the best choice for your ride.

What Is a Clutch Kit and Why Does It Matter?

A clutch kit is a set of parts that work together to connect and disconnect the engine from the transmission. This allows you to change gears smoothly. The kit usually includes the clutch disc, pressure plate, and release bearing. Sometimes, it also comes with a pilot bearing or alignment tool.

Why is this important for custom cars? When you upgrade your engine or transmission, the stock clutch might not handle the extra power or torque. A better clutch kit can improve your car’s performance, make shifting easier, and increase the lifespan of your drivetrain.

Choosing the right clutch kit depends on your car’s setup and how you plan to use it. For example, a daily driver needs a different clutch than a track car or a drag racer.

Types of Clutch Kits for Custom Cars

There are several types of clutch kits, each designed for different needs:

• Organic Clutch Kits: These use organic materials for the clutch disc. They offer smooth engagement and are great for street driving. They last a long time but might not handle extreme power.

  
  
  
  

• Ceramic Clutch Kits: These are made with ceramic materials that can handle higher temperatures and more power. They are stiffer and can cause a bit of chatter but are popular for performance builds.

  
  
  
  

• Kevlar Clutch Kits: Kevlar discs offer a balance between smoothness and durability. They last longer than organic clutches and handle more power without being too harsh.

  
  
  
  

• Metallic Clutch Kits: These are the toughest and best for racing or heavy-duty use. They can handle very high torque but are usually noisy and less smooth for daily driving.

  
  
  
  

Comparing Two Popular Clutch Kits for Custom Builds

To give you a clearer idea, I want to compare two clutch kits that are well-suited for custom cars and available at JAP Motorsport:

1. Clutch Kit by Exedy Performance

• Type: Performance Clutch Kit

  
  

• Description: This kit is designed for high-performance street and track cars. It features a heavy-duty pressure plate and a ceramic disc that can handle increased horsepower and torque. It offers quick engagement and excellent durability.

  
  

• Why it’s good for custom cars: If you’re upgrading your engine or adding forced induction, this clutch kit can handle the extra power without slipping. It’s a solid choice for those who want a balance between street drivability and track performance.

  
  

• Check it out here

  
  
  
  

2. Clutch Kit by ACT (Advanced Clutch Technology)

• Type: Racing Clutch Kit

  
  

• Description: ACT’s kit is built for serious racing and high-torque applications. It uses a metallic disc and a high clamping force pressure plate. This kit is designed to handle extreme conditions and aggressive driving.

  
  

• Why it’s good for custom cars: If your build is focused on drag racing or track days where maximum power transfer is critical, this clutch kit will give you the performance you need. It’s less forgiving for daily driving but unbeatable on the track.

  
  

• See more details

  
  
  
  

Both kits offer great options depending on your goals. The Exedy kit is more versatile for street and occasional track use, while the ACT kit is for those who want the ultimate in performance and don’t mind a harsher feel.

Close-up view of a high-performance clutch kit laid out on a workbench

High-performance clutch kit ready for installation in a custom car

How to Choose the Right Clutch Kit for Your Custom Car

Picking the right clutch kit can feel overwhelming, but here are some key points to consider:

• Power and Torque: Know your engine’s output. The clutch kit must handle the maximum torque without slipping.

  
  
  
  

• Driving Style: Are you daily driving, racing, or doing both? Street-friendly clutches offer smooth engagement, while racing clutches prioritize grip.

  
  
  
  

• Vehicle Use: Consider if your car is for drag racing, drifting, or track days. Each use demands different clutch characteristics.

  
  
  
  

• Budget: High-performance kits cost more but last longer and perform better under stress.

  
  
  
  

• Compatibility: Make sure the clutch kit fits your car’s make, model, and transmission type.

  
  
  
  

If you’re unsure, consulting with a specialist or the supplier can help you find the best match. For example, JAP Motorsport offers expert advice and a range of clutch kits tailored for custom cars in Puerto Rico and the US.

Installing and Maintaining Your Clutch Kit

Installing a clutch kit is a job that requires some mechanical skill and the right tools. If you’re comfortable working on your car, you can do it yourself, but many prefer to have a professional handle it.

Here are some tips for installation and maintenance:

• Use an alignment tool to center the clutch disc during installation.

  
  

• Replace the flywheel or resurface it if it’s worn or damaged.

  
  

• Check the release bearing and replace it if needed.

  
  

• Bleed the hydraulic system if your clutch uses hydraulic actuation.

  
  

• Break in the new clutch by avoiding hard launches and keeping shifts smooth for the first 500 miles.

  
  
  
  

Regular maintenance includes checking for clutch slippage, unusual noises, or changes in pedal feel. Catching problems early can save you from costly repairs.

Eye-level view of a mechanic installing a clutch kit in a car transmission

Installing a clutch kit requires precision and the right tools

Why Upgrading Your Clutch Kit Makes a Difference

Upgrading your clutch kit can transform your driving experience. Here’s what you can expect:

• Better power transfer: A high-quality clutch kit handles more torque without slipping, so you get more of your engine’s power to the wheels.

  
  
  
  

• Improved shifting: Performance clutches offer quicker and more precise gear changes.

  
  
  
  

• Longer lifespan: Upgraded kits use stronger materials that last longer under stress.

  
  
  
  

• Customization options: You can choose a clutch that matches your driving style and car setup.

  
  
  
  

• Increased reliability: A good clutch kit reduces the risk of failure during spirited driving or racing.

  
  
  
  

If you want your custom car to perform at its best, the clutch kit is a key upgrade that pays off.

High angle view of a custom car with open hood and visible upgraded clutch components

Upgrading clutch components is essential for high-performance custom cars

Final Thoughts on Clutch Kits for Custom Cars

Choosing the right clutch kit is a smart move for anyone serious about customizing their car. It affects how your car feels, performs, and lasts. Whether you want a smooth daily driver or a race-ready machine, there’s a clutch kit that fits your needs.

Remember to consider your car’s power, how you drive, and your budget. Products like the Exedy Performance Clutch Kit and the ACT Racing Clutch Kit offer solid options for different goals.

Upgrading your clutch kit is more than just a repair. It’s a step toward making your custom car truly yours, with better control and performance. If you’re ready to take your build to the next level, start with the clutch. It’s a change you’ll feel every time you hit the road.

Explore the options and find the perfect clutch kit for your custom car today. Your ride deserves it.