What is the spring rate of these Ferrea valve springs?

These Ferrea valve springs have a rate of 305 pounds per inch. This specification indicates how much force is required to compress the spring a certain distance, affecting how quickly the valve closes.

Are these springs suitable for stock engines?

These springs are rated for performance applications and are typically used with aftermarket camshafts or for engine builds aiming for higher RPM operation. For a completely stock engine, they may be stiffer than necessary.

What does 'single (drop ship only)' mean?

The 'single' refers to the configuration of one spring per valve. 'Drop ship only' means the item ships directly from the manufacturer or a third-party warehouse to you, rather than from Auto Barn's own inventory.

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Specifications

Brand: Ferrea
Part #: S10064-1

Ferrea Acura/Honda B18C1/C3 305lbs Rate Inch Dual Valve Spring - Single (Drop Ship Only)

Name: Ferrea Acura/Honda B18C1/C3 305lbs Rate Inch Dual Valve Spring - Single (Drop Ship Only)
Brand: Ferrea
SKU: ferrea-ferrea-acura-honda-b18c1-c3-305lbs-rate-inch-dual-valve-spring-single-dro-t14-419080
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 B18C1/C3 Dual Valve Spring for Acura/Honda B18C1/C3 engines. Offers a 305 lbs/in rate for improved valve control.

Key Features

Fits Acura and Honda B18C1/C3 engines.
Features a 305 lbs/in spring rate.
Dual spring design for improved valve control.
Single spring per valve configuration.
Designed for performance engine builds.

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About this part

Product Details

This is a Ferrea dual valve spring set, designed for Acura and Honda B18C1 and B18C3 engines. These springs are rated at 305 pounds per inch, which helps control valve movement at higher RPMs and under more aggressive camshaft profiles. If you're rebuilding the top end of your B18C1 or C3, or looking to handle more lift from an aftermarket camshaft, these springs are a solid option.

Ferrea is known for making well-built valvetrain components. These springs are made to handle the demands of performance applications, ensuring your valves close reliably and prevent issues like valve float. They are a single spring design, meaning one spring per valve, and are intended for specific performance builds where dual springs might be overkill or not fit within the cylinder head's spring pockets.