How many valve springs do I need for my FA20 engine?

This part number is for a single dual valve spring. You will need to determine the total number of springs required for your specific FA20 engine application, as it varies by cylinder head configuration and build.

What is the benefit of dual valve springs?

Dual valve springs offer improved stability and control over valve motion, especially at higher RPMs. They help prevent valve float and ensure consistent valve seating, which is important for engine performance and longevity.

Does this valve spring come with any hardware?

This listing is for the single dual valve spring only. Any necessary retainers, seals, or other installation hardware would need to be purchased separately.

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Specifications

Brand: Ferrea
Part #: S10155-1

Ferrea Subaru/Toyota FA20 Dual Valve Spring - Single (Drop Ship Only)

Name: Ferrea Subaru/Toyota FA20 Dual Valve Spring - Single (Drop Ship Only)
Brand: Ferrea
SKU: ferrea-ferrea-subaru-toyota-fa20-dual-valve-spring-single-drop-ship-only-t14-419182
Price: 34.51 USD
Availability: BackOrder

$34.51

On Backorder

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

Key Features

Fits Subaru/Toyota FA20 engines.
Single dual valve spring.
Designed for performance applications.
From Ferrea, a well-known valvetrain component manufacturer.

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About this part

Product Details

This is a single dual valve spring from Ferrea, designed for Subaru and Toyota FA20 engines. Valve springs are critical for keeping your engine's valvetrain operating correctly, ensuring that valves open and close at the right time and seal properly.

Ferrea is known for making well-built valvetrain components. This dual spring is designed to handle the demands of performance applications, offering improved stability over stock springs. When you're rebuilding the top end or looking to upgrade your FA20 engine, reliable valve springs are a key piece of the puzzle. This spring is sold individually, so you'll need to order the correct quantity for your application.