Crankshafts: Explained

At the heart of every high-performance engine lies a critical component that converts linear motion into rotational motion - the crankshaft. This essential part of your vehicle's engine plays a pivotal role in driving your car's performance, durability, and overall efficiency. Whether you're a seasoned car enthusiast or a beginner in the world of automotive modifications, understanding the importance of a quality crankshaft can significantly enhance your vehicle's performance.

What is a Crankshaft?

A crankshaft is a mechanical component that transforms the up-and-down motion of the pistons into a rotational motion that drives the vehicle's wheels. It's a complex piece of engineering that must withstand high levels of stress and strain, making its quality and durability paramount to your engine's performance.

Types of Crankshafts

There are several types of crankshafts, each designed to meet specific performance requirements. These include:

  • Cast Crankshafts: These are made from iron and are typically used in standard production vehicles due to their cost-effectiveness and adequate performance for everyday driving.
  • Forged Crankshafts: These are made from heated steel and are more durable and stronger than cast crankshafts. They are ideal for high-performance vehicles that require more power and speed.
  • Billet Crankshafts: These are custom-made from a solid billet of high-grade steel or aluminum. They offer the highest level of strength and durability, making them perfect for racing or high-performance applications.

Why Upgrade Your Crankshaft?

Upgrading your crankshaft can bring several benefits to your vehicle's performance. These include:

  • Increased Power: A high-quality crankshaft can handle more power, allowing you to increase your engine's horsepower and torque.
  • Improved Durability: Upgraded crankshafts are designed to withstand higher levels of stress, reducing the risk of engine failure and extending the life of your engine.
  • Enhanced Efficiency: A well-balanced crankshaft can improve your engine's efficiency, leading to better fuel economy and smoother operation.

Choosing the Right Crankshaft

When choosing a crankshaft, consider your vehicle's make and model, your driving style, and your performance goals. For daily driving, a cast crankshaft may suffice. However, if you're into racing or high-performance driving, a forged or billet crankshaft would be a better choice. Always ensure that the crankshaft is compatible with your engine to avoid potential issues.


Investing in a high-quality crankshaft is a smart move for any car enthusiast looking to boost their vehicle's performance. At Compare.Parts, we offer a wide range of crankshafts from top manufacturers, ensuring you get the best quality and value for your money. Explore our selection today and take your vehicle's performance to the next level.





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