| Year | Make | Model |
|---|---|---|
| 1994 - 2002 | Audi | A8 Quattro |
| 2000 - 2011 | Subaru | Impreza |
| 1989 - 1993 | Subaru | Legacy |
| 2003 - 2009 | Subaru | Outback |
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc Piston Shelf Stock Kit | WRX/STI (99.5) (K598M995)
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc Piston Shelf Stock Kit | WRX/STI (99.5) (K598M995)
SKU:K598M995
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$661.93 USD
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$732.99 USD
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The Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc piston shelf stock kit is a set of high-performance forged racing pistons designed for serious motorsport applications. Crafted from premium materials, these pistons are engineered to withstand extreme conditions and deliver exceptional durability and strength. Featuring a -19cc dish and a 99.5mm bore size, they are optimized for high-power builds, providing reliable performance in demanding racing environments. The Professional Series pistons incorporate advanced design features to enhance combustion efficiency, reduce weight, and improve overall engine responsiveness, making them ideal for competitive racing and heavy-duty use.
These pistons are specifically designed for Subaru EJ257 engines found in WRX and STI models, suitable for years and configurations requiring a 99.5mm bore with a -19cc dish. They serve as direct replacements or upgrades for stock pistons in high-performance builds, whether for street, track, or drag racing. The kit includes premium rings and all necessary components for installation, ensuring a seamless upgrade process. Compatible with engines built for severe duty, these pistons are perfect for racers and enthusiasts seeking maximum power and durability from their Subaru engines.
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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. It is suitable for high-performance racing and severe-duty applications, providing reliable durability and enhanced performance for demanding builds.
Part #: K598M995
Overview
The Wiseco EJ257 WRX/STI 4v Dish -19cc Pistons are part of Wiseco's Professional Series, engineered for serious racers and automotive enthusiasts seeking maximum performance and durability. Crafted from forged aluminum, these pistons are built to withstand the rigors of high-stress racing environments, offering consistent power delivery and long-lasting reliability. Designed specifically for Subaru EJ257 engines, they help optimize combustion efficiency and support aggressive tuning setups, making them ideal for custom race builds or high-performance upgrades.
Whether you're upgrading your engine for competitive racing or pushing your Subaru to its limits, these pistons provide the strength and precision needed to achieve your performance goals while maintaining engine integrity under severe conditions.
Key Features
Wiseco's Professional Series pistons feature advanced forging technology and precision machining to ensure optimal fit and performance. They include high-quality rings for a secure seal and consistent compression. The dish design with a -19cc volume helps achieve the desired compression ratio for turbocharged applications. Crafted from durable aluminum alloy, these pistons are engineered to handle high temperatures and pressures, supporting aggressive tuning and heavy-duty use. Their design promotes efficient heat dissipation and reduces the risk of knocking or piston failure during intense driving conditions.
Construction & Design
Manufactured from high-strength forged aluminum, these pistons feature a precisely machined dish volume to optimize compression ratios. The surface finish and coating are designed to reduce friction and enhance durability, ensuring long-term performance in demanding environments.
Performance & Response
These pistons are engineered to support high-performance applications, helping your engine respond more effectively under boost and high RPM conditions. Their robust construction provides stability and reliability during aggressive driving and racing scenarios.
Installation & Fitment
Designed specifically for Subaru EJ257 engines, these pistons are intended for professional installation and require compatible connecting rods and rings. Proper installation ensures optimal performance and longevity.
What’s Included
The package includes a set of Wiseco Professional Series forged pistons tailored for the EJ257 engine, along with premium rings designed for high-performance use.
