What is the benefit of the polished finish on these valve springs?

The polished finish on these Manley valve springs helps to reduce surface imperfections, which in turn minimizes stress risers. This can lead to improved fatigue life and overall durability for the spring material, especially under demanding conditions.

Are these valve springs suitable for a stock engine rebuild?

These valve springs are designed for high-performance engine builds and aggressive camshaft profiles. For a stock engine rebuild, you would typically use a spring with different specifications. It's important to match the valve spring to your camshaft's lift and duration.

What should I consider when choosing valve springs for my build?

When selecting valve springs, consider your camshaft's lift and duration, the intended RPM range of your engine, and the weight of your valve train components. Ensuring the springs have adequate seat pressure and open pressure is crucial for proper valve control and to prevent valve float.

Specifications

Brand: Manley Performance
Part #: 221425P-16
UPC: 807298023649

Manley Valve Spring, SPRING-1425 POLISHED

Name: Manley Valve Spring, SPRING-1425 POLISHED
Brand: Manley Performance
SKU: manley-performance-manley-valve-spring-spring-1425-polished-t14-881322
Price: 841.48 USD
Availability: BackOrder

$841.48

On Backorder

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

Manley Performance valve springs, part# 221425P-16. Polished finish for high-performance engine builds.

Key Features

Includes 16 polished valve springs.
Manley Performance part number 221425P-16.
Polished finish enhances durability and reduces fatigue.
Designed for high-RPM engine builds and aggressive camshafts.
Helps prevent valve float for reliable engine operation.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

In this package, you get 16 polished valve springs from Manley Performance, part number 221425P-16. These springs are designed for serious engine builds where valve control at higher RPMs is critical. The polished finish isn't just for looks; it helps reduce fatigue and improve the overall durability of the spring material.

Manley is known for making well-built components for performance engines, and these springs are no exception. They are engineered to handle the demands of aggressive camshaft profiles and higher engine speeds, ensuring your valves close reliably and consistently. Proper valve spring selection is crucial for preventing valve float, which can lead to serious engine damage. These springs are a solid choice when you're pushing your engine's limits and need dependable performance.

When building a high-performance engine, attention to detail is key. Ensure you have the correct spring installed for your camshaft's lift and duration specifications. It's always a good idea to consult your camshaft manufacturer's recommendations to confirm compatibility with these Manley springs. This ensures optimal performance and longevity for your engine build.