# Manley Subaru WRX/STI (EJ20/EJ25) Valve Springs (1.126/.640)  *ONE SPRING*16.35

Engineered for today’s high-revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and designed for demanding turbocharged and naturally aspirated applications, they ensure reliable valvetrain stability at elevated RPM and boost levels.

-   Revs up to 10,000 RPM with Manley titanium retainers
-   Designed to handle aftermarket camshafts
-   Wound from super clean alloy

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

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 52.10 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- 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-ej20-ej25-valve-springs-1-126-640-one-spring-16-35)
> Updated: 2026-06-27