What is the primary benefit of using dual valve springs?

Dual valve springs offer increased stability and control over valve movement, especially at higher engine speeds. This setup helps prevent valve float, which is when the valve doesn't close completely due to inertia, leading to potential engine damage.

What material are these valve springs made from?

These Ferrea valve springs are constructed from a high-tensile chrome silicon wire. This material is known for its strength and resilience, making it suitable for demanding engine applications.

Are these springs compatible with stock camshafts?

While these springs are designed for performance applications and often paired with performance camshafts, their compatibility with stock camshafts depends on the specific engine build and intended use. It's recommended to consult with a performance engine builder or refer to Ferrea's detailed specifications for your specific setup.

Ferrea Nissan RB25DET Dual Valve Spring Set S10112

Name: Ferrea Nissan RB25DET Dual Valve Spring - Set of 24
Brand: Ferrea
SKU: ferrea-ferrea-nissan-rb25det-dual-valve-spring-set-of-24-t14-419131
Price: 828.21 USD
Availability: BackOrder

Ferrea Nissan RB25DET Dual Valve Spring - Set of 24

$828.21

On Backorder

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

Ferrea Nissan RB25DET Dual Valve Spring Set. Designed for high-performance RB25DET engines.

Key Features

Fits Nissan RB25DET engines.
Set includes 24 dual valve springs.
Constructed from high-tensile chrome silicon wire for strength and durability.
Dual spring design helps prevent valve float at high RPMs.
Designed for performance applications and modified engines.

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Product Details

These Ferrea dual valve springs are built with a high-tensile chrome silicon wire, a material chosen for its strength and ability to handle the stresses of high-RPM operation. For your Nissan RB25DET engine, this means you're getting a well-built component that can keep up when you're pushing the limits.

Each spring in this set of 24 is designed to work as a matched pair, providing consistent pressure and stability for your valves. This dual spring setup is crucial for preventing valve float, especially in modified engines that see higher boost levels or aggressive camshaft profiles. The chrome silicon construction offers improved durability over standard springs, helping to ensure reliable performance over time. This set is a solid choice for anyone rebuilding or significantly upgrading their RB25DET's valvetrain, aiming for improved reliability and performance under demanding conditions.

When installing these springs, it's important to ensure your camshafts and retainers are also up to the task. Ferrea designs these springs to work with performance camshafts, so consider that when planning your build. Proper installation is key to unlocking their full potential and ensuring the longevity of your engine's top end.