Wiseco 8.4:1 Cr 92.5mm Piston | Subaru Legacy/Impreza/Forester/Outback (89-11)

Name: Wiseco 8.4:1 Cr 92.5mm Piston | Subaru Legacy/Impreza/Forester/Outback (89-11)
Brand: Wiseco
Price: 182.41 USD
Availability: OutOfStock

Wiseco 8.4:1 Cr 92.5mm Piston | Subaru Legacy/Impreza/Forester/Outback (89-11)

SKU:6588m925

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
1997 - 2008	Subaru	Forester
1992 - 2011	Subaru	Impreza
1989 - 2009	Subaru	Legacy
1993 - 1998	Subaru	Legacy Touring Wagon BG
2003 - 2009	Subaru	Outback

The Wiseco Subaru WRX 4V R/Dome 8.4:1 Cr 92.5 Piston Shelf Stock is a high-performance forged racing piston designed for serious motorsport applications. Constructed from premium materials, these pistons feature a no-expense-spared design that emphasizes durability and reliability under severe duty conditions. The Professional Series pistons incorporate advanced features to optimize combustion efficiency and power output, making them ideal for high-performance race builds. With a compression ratio of 8.4:1 and a bore size of 92.5mm, they are engineered to withstand the stresses of aggressive driving and racing environments, ensuring consistent performance and longevity.

These pistons are specifically designed for Subaru WRX models equipped with a 4-valve engine, suitable for use in engines from 2011 to 2025. They serve as direct replacements or upgrades for stock components in heavy-duty or racing applications. Installation involves standard piston fitting procedures, and the kit includes premium piston rings tailored for optimal sealing and performance. These Wiseco pistons are perfect for race cars, track days, or high-performance street builds, providing the durability and power needed for demanding driving conditions.

Overview

Wiseco Professional Series

Fitment Summary

Designed for Subaru WRX models with a 4-valve engine, these pistons are ideal for high-performance racing applications and serious engine builds.

Part #: 6588m925

Overview

The Wiseco Professional Series forged racing pistons are engineered for the most demanding motorsport enthusiasts and professional engine builders. Crafted from premium materials, these pistons deliver exceptional strength, durability, and performance support for heavy-duty race applications. They are specifically designed to enhance the power potential of your Subaru WRX 4V engine, helping you push your vehicle to its limits with confidence.

Built with precision and attention to detail, these pistons are an excellent choice for those seeking to maximize engine response, reliability, and longevity in high-stress environments. Whether you're upgrading for competitive racing or building a high-performance street engine, Wiseco's pistons provide the quality and performance you need to achieve your goals.

Key Features

Forged aluminum construction for superior strength and durability
8.4:1 compression ratio designed for high-performance applications
Precisely machined for optimal fit and consistent performance
Includes premium rings for reliable sealing and longevity
Engineered to withstand severe duty and high RPM operation
Designed specifically for Subaru WRX 4V engines

Construction & Design

These pistons feature a forged aluminum design, ensuring maximum strength and resistance to deformation under extreme conditions. The high-precision machining and tailored crown shape optimize combustion efficiency and power output, making them ideal for serious racing builds.

Performance & Response

With their lightweight forged construction and optimized compression ratio, these pistons support improved throttle response, higher RPM capability, and enhanced overall engine performance. They are designed to help your engine deliver consistent power and reliability during intense driving conditions.

Installation & Fitment

Designed as direct replacements for OEM pistons in compatible Subaru WRX 4V engines, these pistons are intended for professional installation and engine assembly. Proper machining and assembly are recommended to ensure optimal performance and longevity.