| Year | Make | Model |
|---|---|---|
| 1994 - 2002 | Audi | A8 Quattro |
| 1997 - 2008 | Subaru | Forester |
| 1992 - 2011 | Subaru | Impreza |
| 1989 - 2009 | Subaru | Legacy |
| 1993 - 1998 | Subaru | Legacy Touring Wagon BG |
| 2003 - 2009 | Subaru | Outback |
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Wiseco 92mm R/Dome 8.4:1 CR Piston Shelf Stock Kit | Subaru WRX (K588M92)
Wiseco 92mm R/Dome 8.4:1 CR Piston Shelf Stock Kit | Subaru WRX (K588M92)
SKU:K588M92
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$661.93 USD
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$732.99 USD
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$661.93 USD
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▶ Vehicle Fitments
The Wiseco Subaru WRX 4V R/Dome 8.4:1 CR 92mm piston shelf stock kit is a high-performance forged piston set designed for serious racing applications. Crafted from premium materials, these pistons feature a reinforced construction that ensures exceptional durability and strength under severe duty conditions. The Professional Series pistons incorporate custom-level performance enhancements, including precise compression ratios of 8.4:1, making them ideal for high-power builds. Supplied with premium rings, these pistons deliver reliable sealing and consistent performance, reducing the risk of failure during demanding race environments. Their robust design and precision engineering make them a top choice for racers seeking to maximize engine output and longevity.
This piston kit is specifically engineered for Subaru WRX models with a 92mm bore and 4-valve configurations. Suitable for engines with a compression ratio of 8.4:1, these pistons are intended for heavy-duty race builds and severe duty applications. They serve as direct replacements or upgrades for stock pistons, providing increased strength and performance. Installation involves standard piston replacement procedures, and the kit includes all necessary components for a complete upgrade. Compatible with Subaru WRX models, these pistons are ideal for track, street, or custom high-performance builds where durability and power are paramount.
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Overview
Overview
Wiseco Professional Series
Fitment Summary
This piston kit is designed specifically for the Subaru WRX with a 4-valve engine configuration, featuring a 92mm bore diameter and an 8.4:1 compression ratio.
Part #: K588M92
Overview
The Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92mm Piston Shelf Stock Kit is a high-performance piston set engineered for serious racing and high-demand street applications. Crafted from forged aluminum, these pistons deliver exceptional strength, durability, and consistent performance under severe duty conditions. Ideal for professional builders and enthusiasts aiming to maximize their engine’s potential, this kit provides a reliable foundation for heavy-duty race builds or high-performance upgrades.
Designed to support increased power output and improved response, these pistons help optimize combustion efficiency while maintaining excellent durability. The R/Dome design enhances airflow and combustion characteristics, contributing to better throttle response and overall engine efficiency. Whether you're rebuilding a race engine or upgrading your stock setup for more aggressive driving, these pistons are built to meet demanding performance standards.
Key Features
Wiseco's Professional Series pistons are engineered with precision and attention to detail, featuring:
- Forged aluminum construction for maximum strength and durability
- Custom-designed R/Dome shape to improve airflow and combustion efficiency
- High-quality rings included for optimal sealing and longevity
- Designed specifically for Subaru WRX 4-valve engines with 92mm bore
- Optimized for heavy-duty racing and severe duty street use
- Precision-machined for perfect fitment and consistent performance
- Supports increased compression ratios for enhanced power output
Construction & Design
The pistons are made from forged aluminum alloy, ensuring superior strength and resistance to high temperatures and pressures typical in racing environments. The R/Dome design is carefully engineered to promote efficient airflow and combustion, contributing to improved engine response and power delivery. Each piston features precision machining and surface treatments to ensure a perfect fit and reliable operation under demanding conditions.
Performance & Response
These forged pistons help your engine achieve higher compression ratios and better combustion efficiency, translating into increased power and responsiveness. The durable construction supports sustained high-performance operation, making them suitable for race engines and high-performance street builds alike.
Installation & Fitment
Designed for direct replacement in Subaru WRX 4-valve engines with a 92mm bore, these pistons are intended for professional assembly or experienced enthusiasts familiar with engine rebuilds. Proper installation requires standard machining and assembly procedures for forged piston kits.
What’s Included
The kit includes a set of forged pistons, complete with premium rings, designed specifically for the Subaru WRX 4v engine with a 92mm bore and 8.4:1 compression ratio.
