• Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
  • Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925
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Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925

Wiseco Subaru EJ20 Piston Set | Subaru Legacy / Impreza / Legacy Touring Wagon (89-16) 6579M925

6579M925

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$183.32 USD
$202.99 USD $183.32 USD
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The Wiseco Subaru WRX EJ20 STRKR 1.181CH9250XX piston shelf stock is a high-performance forged racing piston designed for serious automotive enthusiasts and professional racers. Constructed from premium forged aluminum, these pistons are engineered to withstand extreme conditions and deliver exceptional durability and strength during heavy-duty race applications. Packed with custom-level performance features, including high-quality rings and precise machining, they help optimize engine power and reliability. These pistons are ideal for pushing engine limits and achieving maximum performance in competitive racing environments.

Designed specifically for Subaru WRX models equipped with the EJ20 engine, these pistons are suitable for use in high-performance race builds and severe duty applications. They serve as direct replacements or upgrades for stock pistons, providing enhanced strength and thermal stability. Installation involves standard piston replacement procedures, and the kit includes the pistons and premium rings. Suitable for race and performance tuning, these Wiseco pistons enable builders to achieve higher compression ratios and improved engine efficiency in demanding motorsport or high-performance street setups.

Overview

Wiseco Professional Series

Fitment Summary

Part #: 6579M925

Overview

The Wiseco Subaru WRX EJ20 STRKR 1.181CH9250XX piston set is a high-performance upgrade designed for serious racing enthusiasts and professional builders. Crafted from forged aluminum, these pistons are engineered to withstand the demanding conditions of high-horsepower applications, providing exceptional durability and consistent performance. Ideal for heavy-duty race builds, they help maximize engine response, reliability, and overall power output. Whether you're building a competitive race engine or pushing your Subaru to its limits, these pistons deliver the strength and precision needed for optimal performance.

Key Features

Designed with advanced forging technology, these Wiseco pistons feature a lightweight yet robust construction that promotes efficient combustion and heat dissipation. The custom-designed crown shape enhances airflow and combustion efficiency, supporting higher compression ratios and improved power. The pistons include premium rings for a secure seal, reducing blow-by and maintaining optimal compression levels. Their durable coating helps resist scuffing and wear, extending the lifespan of your engine components. Precision-machined to exact specifications, these pistons ensure a perfect fit for your EJ20 engine, supporting high-performance tuning and severe-duty operation.
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