What is the purpose of a dual valve spring?

Dual valve springs are used in performance engine builds to provide better control over valve movement, especially at higher RPMs. They offer increased stability and help prevent valve float compared to single springs.

What does the damper in the spring do?

The damper is a smaller spring inside the main spring that helps to control resonance and prevent spring surge. This ensures the valve stays properly seated and controlled, even under high stress.

What does 'Sngl (D/S Only)' mean for this spring?

This indicates that the spring is intended for a single application on the exhaust side (D/S Only) of the cylinder head. It's important to verify this matches your specific engine build requirements.

FEATURED BRAND = COVERKING CHECK OUT COVERKING NOW →

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Specifications

Brand: Ferrea
Part #: S10005-1

Ferrea 1.600in to 1.650in Dia 1.064/1.624 OD 0.760/1.164 ID Dual w/Damper Spring- Sngl (D/S Only)

Name: Ferrea 1.600in to 1.650in Dia 1.064/1.624 OD 0.760/1.164 ID Dual w/Damper Spring- Sngl (D/S Only)
Brand: Ferrea
SKU: ferrea-ferrea-1-600in-to-1-650in-dia-1-064-1-624-od-0-760-1-164-id-dual-w-damper-t14-418998
Price: 55.56 USD
Availability: BackOrder

$55.56

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, S10005-1. Designed for high-performance engine builds.

Key Features

Ferrea dual valve spring, part number S10005-1.
Designed for engine builds requiring improved valve control.
Dual spring design for enhanced stability.
Features a damper to control resonance and prevent spring surge.
Spring dimensions: 1.600in-1.650in diameter, 1.064in/1.624in OD/ID.
Single (D/S Only) application.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This is a Ferrea dual valve spring, part number S10005-1. It's built for engine builds where the stock valve springs won't hold up to the demands of higher RPMs or more aggressive camshafts. The dual spring design offers increased stability and control over valve motion, especially at higher engine speeds.

The spring has a 1.600-inch to 1.650-inch diameter, with an outer diameter of 1.064 inches and an inner diameter of 1.624 inches. It also features a damper to help control resonance and prevent spring surge, which is crucial for maintaining valve control under stress. This particular spring is designed for single (D/S Only) applications, meaning it's intended for specific cylinder head configurations.