What is the spring rate of these Ferrea valve springs?

These Ferrea valve springs have a rate of 285 pounds per inch. This specification indicates how much force is required to compress the spring by one inch, signifying its strength.

Are these springs suitable for stock 2JZ engines?

While these springs are designed for high-performance applications, they can be used on stock 2JZGE and 2JZGTE engines if you plan on upgrading camshafts or increasing boost. For a completely stock engine without planned modifications, they may be stiffer than necessary.

What does 'dual valve spring' mean?

A dual valve spring setup uses two springs nested together for each valve. This design provides greater stability, better dampening of harmonics, and ensures the valve closes more reliably at high engine speeds compared to a single spring.

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Specifications

Brand: Ferrea
Part #: S10045-1

Ferrea Toyota 2JZGE/2JZGTE 285lbs rate Inch Dual Valve Spring - Single (Drop Ship Only)

Name: Ferrea Toyota 2JZGE/2JZGTE 285lbs rate Inch Dual Valve Spring - Single (Drop Ship Only)
Brand: Ferrea
SKU: ferrea-ferrea-toyota-2jzge-2jzgte-285lbs-rate-inch-dual-valve-spring-single-drop-t14-419060
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 2JZGE/2JZGTE dual valve spring. 285 lbs/in rate. Direct fit.

Key Features

Fits Toyota 2JZGE and 2JZGTE engines.
Dual valve spring design for improved stability.
Spring rate of 285 pounds per inch.
Designed for high-RPM and modified engine applications.

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About this part

Product Details

With a spring rate of 285 pounds per inch, these Ferrea dual valve springs are built for the demands of high-performance Toyota 2JZGE and 2JZGTE engines. When you're pushing these engines hard, especially with modifications like turbochargers or camshafts, the stock valve springs can struggle to keep up. They might not close the valves fast enough, leading to issues like valve float, which can seriously damage your engine.

These Ferrea springs are designed to handle higher RPMs and more aggressive camshaft profiles. Their dual spring design offers increased stability and ensures the valves seat properly, even under extreme conditions. This is crucial for maintaining consistent engine performance and protecting your investment. They are a well-built component for anyone serious about getting the most out of their 2JZ engine.