| Year | Make | Model |
|---|---|---|
| 2012 - 2016 | Scion | FR-S |
| 1992 - 2007 | Subaru | Impreza |
| 1989 - 2003 | Subaru | Legacy |
| 1998 - 2003 | Subaru | Legacy Outback BH |
| 1993 - 1998 | Subaru | Legacy Touring Wagon BG |
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Wiseco Professional Series Forged Racing Pistons | Subaru WRX (EJ20) (K579M93)
Wiseco Professional Series Forged Racing Pistons | Subaru WRX (EJ20) (K579M93)
SKU:K579M93
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$703.99 USD
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$703.99 USD
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â–¶ Vehicle Fitments
The Wiseco Subaru WRX EJ20 Stroker 1.181 Compression Piston Shelf Stock Kit is a high-performance set of forged racing pistons designed for serious motorsport applications. Crafted with precision and built for durability, these pistons feature custom-level performance enhancements suitable for demanding race environments. Constructed from premium materials, they deliver increased strength and reliability under severe duty conditions. The kit includes high-quality rings, ensuring optimal sealing and performance. These pistons are engineered to maximize power output and efficiency, making them ideal for high-performance builds and racing setups.
Designed specifically for Subaru WRX models equipped with the EJ20 engine, these pistons are suitable for engines with a stroker configuration. They are intended for use in heavy-duty or severe-duty race builds, providing a robust upgrade over stock components. Installation involves a direct replacement of factory pistons, making them suitable for professional or experienced enthusiasts. The kit is ideal for track racing, high-performance street driving, or custom engine builds where durability and performance are paramount. Compatibility with specific engine setups should be verified for optimal results.
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Overview
Overview
Wiseco Professional Series
Fitment Summary
This piston kit is designed specifically for Subaru WRX models equipped with the EJ20 engine, suitable for high-performance and racing applications.
Part #: K579M93
Overview
The Wiseco Subaru WRX EJ20 Stroker 1.181 Compression Ratio Piston Shelf Stock Kit is a high-quality set of forged pistons engineered for serious racing and performance builds. Crafted from premium materials, these pistons are built to withstand the demanding conditions of competitive motorsports and heavy-duty applications. They are ideal for enthusiasts and professional builders seeking to maximize engine response, durability, and power potential in their Subaru WRX EJ20 engine.
Designed to support increased displacement and performance, these pistons help improve engine efficiency and response, making them a perfect upgrade for those looking to push their vehicle’s limits while maintaining reliability and longevity.
Key Features
- Forged construction for enhanced strength and durability
- Designed for high-performance racing applications
- Custom compression ratio of 1.181 for optimized power output
- Precision-machined for perfect fit and sealing
- Includes premium rings for reliable sealing and performance
- Engineered to withstand severe duty and high RPM operation
- Compatible with Subaru EJ20 engines in WRX models
Construction & Design
These Wiseco pistons feature a forged aluminum design, providing superior strength and resistance to deformation under high stress. The pistons are precisely machined to ensure optimal weight and balance, contributing to smooth engine operation and improved response. The high-quality ring grooves are engineered for excellent sealing and minimal friction, supporting consistent compression and power delivery.
Performance & Driving Experience
Built for racing and high-performance use, these pistons help your engine achieve higher power output and improved throttle response. Their robust construction ensures durability during aggressive driving, while the optimized compression ratio enhances combustion efficiency, resulting in better overall engine performance and reliability.
Installation & Fitment
Designed to fit Subaru WRX models with the EJ20 engine, these pistons are intended for professional installation or experienced enthusiasts familiar with engine rebuilding. Proper machining and assembly are required to ensure optimal performance and longevity.
What’s Included
The kit includes forged pistons and premium rings, ready for installation into your engine rebuild or upgrade project.
