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

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.

-   Includes matched Valve Springs, Retainers, and Locks (if part number ends in "K"). Spring Locators included in some applications.
-   Includes 7 Machined Valve Locks manufactured from the premium quality heat treated steel
-   Heat treated aerospace grade titanium retainers CNC machined to exacting tolerances
-   Designed to handle aftermarket camshafts and up to 10,000 RPM

This Part Fits:

Year

Make

Model

Submodel

2002-2005

Subaru

Impreza

WRX

2004-2011

Subaru

Impreza

WRX STI

2007,2011

Subaru

Impreza

WRX STI Limited

2010

Subaru

Impreza

WRX STI Special Edition

## Details

- **Price:** 759.87 CAD
- **Vendor:** Manley Performance
- **Type:** Valve Springs, Retainers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 759.87 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- User 1
- User 1
- Photo - out of package
- User 1
- User 1
- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/manley-subaru-wrx-sti-490in-valve-spring-and-retainer-kit-w-o-valve-locks-16-each)
> Updated: 2026-06-28