| Year | Make | Model |
|---|---|---|
| 1994 - 2002 | Audi | A8 Quattro |
| 2000 - 2011 | Subaru | Impreza |
| 1989 - 1993 | Subaru | Legacy |
| 2003 - 2009 | Subaru | Outback |
Wiseco EJ257 WRX/STi 4v Dish -19cc 100mm Piston Shelf Stock Kit | (K598M100)
Wiseco EJ257 WRX/STi 4v Dish -19cc 100mm Piston Shelf Stock Kit | (K598M100)
SKU:K598M100
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The Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit is a high-performance forged piston set designed for serious racing applications. Crafted from premium materials, these Professional Series pistons are engineered to withstand the demands of heavy-duty and severe-duty race builds. They feature a 19cc dish volume and a 100mm bore size, providing optimal combustion chamber clearance and power output. Built with custom-level performance and durability in mind, these pistons include premium rings to ensure reliable sealing and longevity under extreme conditions. Their robust construction enhances engine strength, responsiveness, and overall performance, making them ideal for competitive motorsport or high-performance street use.
This piston kit is compatible with Subaru EJ257 engines found in WRX and STI models, suitable for applications from model years 2002 to 2021. Designed as a direct replacement for stock pistons, they are perfect for rebuilds, upgrades, or custom race builds. Installation involves standard piston replacement procedures, and the kit includes the pistons and rings necessary for a complete upgrade. These forged pistons are tailored for engines subjected to high power and boost levels, providing improved durability and performance in demanding racing or high-performance street scenarios.
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Overview
Overview
Wiseco Professional Series
Fitment Summary
This product is designed for Subaru EJ257 engines, commonly found in WRX and STI models, and is suitable for high-performance and racing applications.
Part #: K598M100
Overview
The Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit is a set of high-quality forged pistons engineered for serious racing and performance builds. Crafted with precision and durability in mind, these pistons are ideal for enthusiasts and professional builders seeking to maximize their engine's potential. Designed to withstand severe duty and high-stress conditions, they help improve engine response, reliability, and overall power output, making them a perfect choice for race applications or heavily modified Subaru engines.
These pistons feature a dish design with a -19cc volume, optimized for performance tuning and compression adjustments. The 100mm bore size ensures a precise fit for EJ257 engines, supporting high horsepower and torque gains while maintaining structural integrity under demanding conditions.
Key Features
- Forged construction for enhanced strength and durability
- Designed specifically for Subaru EJ257 engines
- Dish piston with -19cc volume for compression tuning
- Precision-machined for optimal fit and performance
- Includes premium rings for reliable sealing and longevity
- Engineered for heavy-duty racing and high-performance applications
- Supports severe duty engine builds with consistent performance
Construction & Design
The pistons are made from high-grade forged aluminum, offering superior strength-to-weight ratio and heat resistance. The dish design reduces compression height, supporting customized tuning and performance optimization. Precision machining ensures a perfect fit and smooth operation within the engine's combustion chamber, contributing to improved response and efficiency.
Performance & Response
These forged pistons are designed to support high-stress racing environments, helping your engine sustain higher power levels with enhanced durability. Their robust construction provides consistent response and reliability, even under extreme conditions, making them suitable for competitive motorsport or high-performance street builds.
Installation & Fitment
Designed for straightforward installation in Subaru EJ257 engines, these pistons require standard engine assembly procedures. Proper clearance and tuning are recommended to maximize performance and longevity.
What’s Included
This kit includes a set of forged pistons with accompanying premium rings, ready for installation in your Subaru EJ257 engine.