Specifications
- Brand
- Manley Performance
- Part #
- 221444P-16
- UPC
- 807298023977

Manley Valve Spring, SPRING-1444 POLISHED
$988.48
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# 221444P-16. Polished finish.
Key Features
- Manley Performance SPRING-1444 valve springs are sold as a set of 16.
- These springs feature a polished finish for improved durability and reduced surface fatigue.
- Designed for high-performance camshafts and aggressive engine operation.
- Made from high-grade steel for consistent tension and performance.
- Helps prevent valve float at high RPMs.
⚠️ 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
Product Details
Manley Performance offers these SPRING-1444 valve springs, part number 221444P-16, for engine builds where precise valve control is critical. These springs are designed to handle the demands of high-performance camshafts and aggressive engine operation, ensuring your valves open and close exactly when they should, even at high RPMs. The polished finish isn't just for looks; it helps reduce surface fatigue and improve the overall durability of the spring.
When you're building or rebuilding an engine, especially one that will see track time or aggressive street use, the valve springs are a crucial component. They need to be strong enough to close the valves quickly and prevent valve float, which can lead to serious engine damage. Manley has a solid reputation for making well-built internal engine components, and these springs are no exception. They are made from high-grade steel and are designed to maintain their tension and performance over many cycles. The polished finish on these particular springs is a notable detail, as it helps to smooth out the surface and reduce stress risers, which can be points where fatigue begins. This attention to detail contributes to a longer service life and more consistent performance under stress.
This set includes 16 individual valve springs, enough for a typical V8 engine. It's important to ensure these springs are compatible with your specific camshaft profile and cylinder head requirements. Always refer to the manufacturer's installation instructions and consult with your engine builder to confirm they are the right choice for your build. Proper installation is key to achieving the performance and reliability you expect from a high-quality component like these Manley valve springs.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 221444P-16
- UPC
- 807298023977
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Manley Chevy LS Valve Spring and Tool Steel Retainer Kit (w/ Valve Locks)

Manley Toyota Supra 2JZ 6 Cyl. Valve Spring and Retainer Kit (w/o Valve Locks)

Manley Subaru WRX/STi .490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

Manley Toyota 3UR-FE Valve Spring and Retainer Kit (Use factory valve locks)
Manley Valve Spring, SPRING-1444 POLISHED
