What is the main advantage of using a single valve spring kit like this?

Single valve springs can reduce valvetrain mass, which may allow for higher engine RPMs and improved responsiveness. They also offer a simpler valvetrain configuration compared to dual springs.

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

This kit is well-suited for performance-oriented engine builds and modifications where a simpler, lighter valvetrain is desired. It's a popular choice for CRF 450 owners looking to enhance their engine's capabilities.

Does this kit include everything needed for installation?

This kit includes the single valve springs. It is recommended to consult the manufacturer's installation instructions to ensure you have all necessary tools and any additional components required for proper installation.

Ferrea Single Valve Spring Kit KT9007

Name: Ferrea 09-12 Honda CRF 450 Single Valve Spring Kit
Brand: Ferrea
SKU: ferrea-ferrea-09-12-honda-crf-450-single-valve-spring-kit-t14-842251
Price: 217.09 USD
Availability: BackOrder

Ferrea 09-12 Honda CRF 450 Single Valve Spring Kit

$217.09

On Backorder

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

Ferrea 09-12 Honda CRF 450 Single Valve Spring Kit

Key Features

Fits 2009-2012 Honda CRF 450.
Single valve spring design.
Well-built by Ferrea for reliable performance.
Designed for performance engine builds and modifications.

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Product Details

This is the Ferrea Single Valve Spring Kit, part number KT9007, designed for 2009 through 2012 Honda CRF 450 models. This kit replaces your stock valve springs with a well-built single spring setup, which can be beneficial for certain engine builds where a simpler valvetrain is desired.

Ferrea is known for making solid valvetrain components, and these springs are no exception. They are built to handle the demands of performance-oriented engines, offering consistent pressure and reliable operation. The single spring design can reduce valvetrain mass compared to some dual spring setups, potentially allowing for higher RPMs and improved responsiveness. This kit is a popular choice when rebuilding or modifying the top end of your CRF 450 engine.

When installing this kit, ensure you follow the manufacturer's recommended procedures for spring seat height and retainer installation to achieve optimal performance and longevity. This kit is intended for specific performance applications and should be installed by someone familiar with engine work.