What is the spring rate for these Ferrea valve springs?

These Ferrea valve springs have a rate of 317 pounds per inch. This specification is important for matching the springs to your camshaft profile and engine's intended use.

Are these springs suitable for stock EJ20 engines?

These springs are designed for performance engine builds and higher RPMs. While they can be used in some modified stock applications, it's best to consult with your engine builder or refer to Ferrea's technical specifications to ensure they are the right choice for your specific setup.

What other components are typically needed when installing new valve springs?

When installing new valve springs, you'll often need matching retainers, valve seals, and potentially new valve guides or seats depending on the condition of your cylinder heads. Always refer to the manufacturer's installation instructions for a complete list of recommended components.

Ferrea Subaru EJ20 Dual Valve Spring Set S10071

Name: Ferrea Subaru EJ20 317lbs Rate Inch Dual Valve Spring - Set of 16
Brand: Ferrea
SKU: ferrea-ferrea-subaru-ej20-317lbs-rate-inch-dual-valve-spring-set-of-16-t14-419083
Price: 552.14 USD
Availability: BackOrder

Ferrea Subaru EJ20 317lbs Rate Inch Dual Valve Spring - Set of 16

$552.14

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Ferrea Subaru EJ20 dual valve springs (set of 16) with a 317 lbs/in rate, ideal for performance engine builds.

Key Features

Set includes 16 dual valve springs for a complete Subaru EJ20 engine.
Each spring has a rate of 317 pounds per inch, suitable for performance applications.
Constructed from strong materials for durability under high RPM and stress.
Designed to prevent valve float in performance engine builds.
Ferrea is a well-known name in performance valvetrain components.

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Product Details

If you're rebuilding the top end of your Subaru EJ20 engine for serious performance, you'll want valve springs that can keep up. These Ferrea dual valve springs are built to handle the demands of higher RPMs and aggressive camshafts. They're designed to provide consistent valve control, preventing float even when you're pushing the engine hard.

Each spring in this set has a rate of 317 pounds per inch, which is a solid number for performance applications. Ferrea is known for making well-built valvetrain components, and these springs are no exception. They're made from strong materials to ensure they hold up over time and under stress. When you're installing these, pay close attention to the manufacturer's instructions regarding spring seat pressure and matching them with the right retainers and camshafts to get the most out of your build. This set includes 16 springs, enough for a complete engine.

For a high-performance EJ20 build, reliable valve springs are crucial. These Ferrea springs offer a well-built solution to ensure your valvetrain stays stable and performs as expected. Make sure to confirm compatibility with your specific camshaft and cylinder head setup before purchasing.