What is the purpose of the damper in this valve spring?

The damper helps to control resonance within the valve spring. This reduces the likelihood of valve float, especially at higher engine speeds, leading to more stable valve operation.

What does 'Dual w/Damper Valve Spring- Sngl (D/S Only)' mean?

This indicates it's a dual spring setup, meaning two springs work together, and it includes a damper. 'Sngl (D/S Only)' specifies it's for a single application, likely meaning one side of the engine or a specific configuration, not a full set for both banks.

What kind of engine builds is this spring best suited for?

This Ferrea valve spring is a solid option for performance engine builds where higher RPMs and increased valve train stability are desired. It's designed to handle more demanding conditions than stock springs.

Ferrea Dual Valve Spring S10010-1

Name: Ferrea 1.225in to 1.570in Dia 1.04/1.55 OD 0.755/1.13 ID Dual w/Damper Valve Spring- Sngl (D/S Only)
Brand: Ferrea
SKU: ferrea-ferrea-1-225in-to-1-570in-dia-1-04-1-55-od-0-755-1-13-id-dual-w-damper-va-t14-419008
Price: 28.47 USD
Availability: BackOrder

Ferrea 1.225in to 1.570in Dia 1.04/1.55 OD 0.755/1.13 ID Dual w/Damper Valve Spring- Sngl (D/S Only)

$28.47

On Backorder

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

Ferrea dual valve spring, part number S10010-1. A solid option for engine builds.

Key Features

Dual valve spring with damper for improved valve train stability.
Designed for performance engine builds and higher RPM operation.
Measures 1.225in to 1.570in in diameter.
Outer diameter is 1.04in and 1.55in.
Inner diameter is 0.755in and 1.13in.
Single (D/S Only) application.

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Product Details

When you're rebuilding the top end of your engine, getting the right valve springs is crucial for proper valve train operation. This Ferrea dual valve spring is designed to handle the demands of performance engine builds, ensuring your valves open and close reliably at higher RPMs.

This spring features a dual-rate design with a damper, which helps control resonance and prevent valve float, especially when you're pushing the engine hard. The spring measures 1.225 inches to 1.570 inches in diameter, with outer diameters of 1.04 inches and 1.55 inches, and inner diameters of 0.755 inches and 1.13 inches. It's intended for single (D/S Only) applications, meaning it's designed for one side of the engine or a specific setup.

Ferrea is a well-known name in performance engine components, and this spring is a well-built part that fits right into a performance engine build. Make sure to check the manufacturer's specifications to confirm it's the correct spring for your specific camshaft and cylinder head combination.