Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 100mm Piston Shelf Stock

Name: Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 100mm Piston Shelf Stock
Brand: Wiseco
Price: 182.41 USD
Availability: OutOfStock

Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 100mm Piston Shelf Stock

SKU:6598M100

Out of stock

$182.41 USD

~~$201.99 USD~~ $182.41 USD

ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

Product variants

Quantity

▶ Vehicle Fitments

Year	Make	Model
1994 - 2002	Audi	A8 Quattro
2000 - 2011	Subaru	Impreza
1989 - 1993	Subaru	Legacy
2003 - 2009	Subaru	Outback

The Wiseco Professional Series forged racing pistons for Subaru EJ257 engines are high-performance components designed for serious racing applications. Crafted from premium forged aluminum, these pistons feature a dish design with a -19cc volume and a 100mm bore, providing enhanced combustion efficiency and power output. Built for durability under severe duty, they incorporate custom-level performance features and are supplied with high-quality rings to ensure optimal sealing and longevity. These pistons are engineered to withstand the stresses of high-performance builds, making them ideal for racers and enthusiasts seeking to push their Subaru engines beyond stock limits.

Designed specifically for Subaru EJ257 engines in WRX and STI models, these pistons are suitable for 2002-2021 vehicles with 4-valve configurations. They serve as direct replacements for stock pistons in high-performance or race builds, offering increased strength and reliability under demanding conditions. Installation involves standard piston replacement procedures, and the kit includes the pistons and rings. These Wiseco pistons are intended for use in severe duty applications such as racing or high-performance street driving, providing the durability and performance needed for extreme engine modifications.

Overview

Wiseco Professional Series

Fitment Summary

Part #: 6598M100

Overview

The Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock is a high-performance forged piston designed for serious racing applications and demanding engine builds. Crafted with precision and durability in mind, these pistons are ideal for enthusiasts and professional builders seeking to maximize engine response, reliability, and power potential. Built from premium materials, they help support high-stress environments, ensuring your engine maintains optimal performance under severe duty conditions. Whether you're upgrading a stock engine or building a custom race setup, these Wiseco pistons deliver consistent, reliable performance. Their forged construction provides exceptional strength and heat resistance, making them suitable for high-compression and forced induction applications. Designed to fit Subaru EJ257 engines, they are an excellent choice for those aiming to push their vehicle’s limits with confidence.

Key Features

Wiseco’s Professional Series pistons feature advanced forging technology that enhances strength and durability. They are engineered with a dish design to optimize combustion chamber volume and help support high compression ratios. The pistons include high-quality rings for a secure seal and efficient combustion, contributing to improved power output and fuel efficiency. Their precise manufacturing ensures a perfect fit and consistent performance across every build. The 100mm bore size and -19cc dish volume are tailored specifically for Subaru EJ257 engines, making installation straightforward for compatible models.

Construction & Design

These pistons are constructed from forged aluminum alloy, providing superior strength and heat dissipation. The dish design reduces compression chamber volume, supporting high-performance tuning and boost levels. The pistons are machined to exact specifications, ensuring a precise fit and optimal piston-to-wall clearance for reliable operation.

Performance & Response

Designed for racing and high-performance applications, these Wiseco pistons help improve throttle response and engine responsiveness. Their robust construction supports high RPM operation and sustained power delivery, making them suitable for aggressive driving and competitive motorsports.

Installation & Fitment

Intended for professional installation or experienced engine builders, these pistons are designed to fit Subaru EJ257 engines with a 100mm bore and a dish volume of -19cc. Proper assembly with compatible rings and components is recommended to ensure optimal performance and longevity.