Three automotive flywheels are stacked on top of one another. The edges of the flywheels overlap as they rest on a white table.
Good To Know

How To Choose an Aftermarket Flywheel for Your Car

Choosing the right components for your car can make all the difference in performance and driving pleasure. One such component is the flywheel.

You want to maximize the drivability and performance of your vehicle, and aftermarket mods can help with that. If you’re considering an aftermarket flywheel for your car but aren’t sure what to look for, our guide will explain how to choose the ideal flywheel for your vehicle.

What Is a Flywheel and What Does It Do?

A flywheel is a crucial part of your car’s drivetrain, linking the engine to the transmission. It stores rotational energy, ensuring smooth engine operation and consistent power delivery.

The flywheel’s weight and inertia help to maintain engine momentum between power strokes, leading to smoother shifts and less engine strain. When matched correctly to an engine’s power and torque, it can enhance your driving experience. However, misalignment can cause poor performance and drivetrain issues, so choose wisely.

Types of Flywheels

When exploring aftermarket flywheels, you’ll find three main types: stock, lightweight, and performance. Stock flywheels, made from cast iron or steel, are fine for most cars and offer durability and longevity. Though they don’t provide major performance gains, their reliability makes them popular for daily driving.

Lightweight flywheels, typically made from aluminum or chromoly steel, reduce rotational mass for quick engine response and acceleration. Performance flywheels balance weight reduction and drivability. They are typically made from steel, while lightweight models are aluminum. Drivers should consider the differences between a steel and aluminum flywheel when it comes to performance, durability, and cost.

Factors To Consider When Choosing a Flywheel

Engine Type and Size

Several factors come into play when choosing an aftermarket flywheel for your car. First, consider the engine type and size.

High-revving engines benefit from lightweight flywheels, while large engines with more torque may require a flywheel with more mass to handle the power. Ensure the flywheel is compatible with your engine’s specifications to avoid performance issues.

Vehicle Use

Next, consider the intended use of your vehicle. If you primarily drive on the street, a performance flywheel may be the best choice since it offers a good balance of performance and drivability.

For track-focused vehicles, a lightweight flywheel can provide the necessary edge for improved lap times. However, be mindful of the trade-offs, as lightweight flywheels can make daily driving less comfortable.


Your budget is another consideration. Stock flywheels are generally the most affordable option, while performance and lightweight flywheels come at a higher price point.

Evaluate your budget, and determine which option offers the best value for your needs. Remember that investing in a high-quality flywheel can pay off in long-term performance gains and reliability.

There are many considerations when selecting a flywheel for your vehicle. We hope our guide points you in the right direction for finding the ideal flywheel for your car that balances all of your needs, from performance to durability.

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