# Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.

-   Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
-   Precision ring grooves, anti-detonation groove, and additional ring seal improving features
-   ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
-   Designed and built to withstand heavy to severe duty performance applications
-   Fully machined crown features
-   Forced pin oiling

This Part Fits:

Year

Make

Model

Submodel

2009-2010

Subaru

Impreza

2.5 GT

2006-2011

Subaru

Impreza

2.5i

2010-2011

Subaru

Impreza

2.5i Premium

1998-2001

Subaru

Impreza

L

1998-2004

Subaru

Impreza

Outback

2005-2011

Subaru

Impreza

Outback Sport

1998-2005

Subaru

Impreza

RS

2002-2004

Subaru

Impreza

TS

2002-2011

Subaru

Impreza

WRX

2006-2007,2010-2011

Subaru

Impreza

WRX Limited

2009-2011

Subaru

Impreza

WRX Premium

2004-2011

Subaru

Impreza

WRX STI

2007,2011

Subaru

Impreza

WRX STI Limited

2010

Subaru

Impreza

WRX STI Special Edition

2006-2007

Subaru

Impreza

WRX TR

## Details

- **Price:** 328.63 CAD
- **Vendor:** Wiseco
- **Type:** Pistons - Forged - Single

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 328.63 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- User 1
- User 1
- Photo - out of package
- User 1
- User 1
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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-subaru-wrx-4v-r-dome-8-4-1-cr-93mm-piston-shelf-stock)
> Updated: 2026-07-14