What is a dual special alloy valve spring?

A dual special alloy valve spring is made from a specific metal blend chosen for its strength and resistance to heat and fatigue. The 'dual' aspect often refers to the spring's design, which might involve multiple coils or a specific winding pattern to achieve desired performance characteristics.

Why would I need a single valve spring?

Single valve springs are typically purchased for specific engine builds where a tuner or mechanic is customizing the valve train. This allows for precise selection of spring rates and quantities to match camshaft profiles and intended engine performance, rather than using a pre-packaged set.

Valve float occurs when the valve spring cannot close the valve fast enough, especially at high engine RPMs. This can lead to poor engine performance, misfires, and potentially severe engine damage if not addressed.

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Specifications

Brand: Ferrea
Part #: S10102-1

Ferrea Ford 4.6L/5.4L 24V Dual Special Alloy Valve Spring - Single (Drop Ship Only)

Name: Ferrea Ford 4.6L/5.4L 24V Dual Special Alloy Valve Spring - Single (Drop Ship Only)
Brand: Ferrea
SKU: ferrea-ferrea-ford-4-6l-5-4l-24v-dual-special-alloy-valve-spring-single-drop-shi-t14-419118
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.

Ferrea Ford 4.6L/5.4L 24V Dual Special Alloy Valve Spring - Single. This single spring is designed for specific engine builds.

Key Features

Fits Ford 4.6L and 5.4L 24-valve engines.
Constructed from a special alloy for durability and consistent performance.
Designed to prevent valve float at higher engine speeds.
Single valve spring for custom engine builds.
Part number S10102-1.

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About this part

Product Details

This is a Ferrea Dual Special Alloy Valve Spring, part number S10102-1, intended for Ford 4.6L and 5.4L 24-valve engines. These springs are a key component in managing valve operation, especially in performance applications where higher engine speeds or more aggressive camshafts are used. They help ensure the valves close properly and quickly, preventing issues like valve float at higher RPMs.

Ferrea uses a special alloy for these springs, which is chosen for its ability to withstand the heat and stress found in performance engine builds. This material helps maintain consistent spring pressure over time, even under demanding conditions. This particular part is a single spring, meaning it's designed to be used as part of a matched set for a complete engine build, allowing tuners to select the exact spring rate and configuration needed for their specific goals.