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Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock Kit | Subaru WRX (4v R/Dome, 93mm Bore)

Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock Kit | Subaru WRX (4v R/Dome, 93mm Bore)

SKU:K588M93

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Regular price $661.93 USD
Regular price $732.99 USD Sale price $661.93 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Wiseco Subaru WRX 4V R/Dome 8.4:1 CR 93mm piston shelf stock kit is a high-performance forged piston set designed for serious racing applications. Crafted from premium materials, these pistons are engineered to withstand the demands of severe duty and heavy-duty race builds. Featuring custom-level performance enhancements, they deliver increased strength, durability, and reliability under extreme conditions. The inclusion of high-quality rings ensures optimal sealing and performance, making these pistons ideal for maximizing engine output and efficiency. Built with precision and attention to detail, the Wiseco Professional Series pistons are a top choice for racers and builders seeking to remove limits and push their Subaru WRX to new performance heights.

Designed specifically for Subaru WRX models with 4-valve engines, these 93mm pistons with an 8.4:1 compression ratio are suitable for engines from 2011 to 2025. They serve as a direct replacement or upgrade for stock pistons in high-performance or race builds, offering enhanced durability and power. Installation is straightforward for experienced builders, and the kit includes all necessary components for a complete upgrade. These pistons are ideal for track, street, or severe-duty racing scenarios where maximum performance and reliability are critical. Compatibility with heavy-duty applications makes them suitable for demanding motorsport or high-performance daily driving.

Overview

Wiseco Professional Series

Fitment Summary

This piston kit is designed specifically for Subaru WRX models with a 4-valve engine configuration, featuring a 93mm bore diameter and an 8.4:1 compression ratio.

Part #: K588M93

Overview

The Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock Kit is a high-performance set of forged racing pistons engineered for serious motorsport applications. Crafted with precision and built for durability, these pistons are ideal for professional racers and dedicated automotive builders seeking to push their Subaru WRX to new levels of performance. Designed to withstand heavy-duty use, they help optimize engine response, improve power output, and support high-stress racing environments.

Whether you're upgrading your engine for competition or enhancing its overall strength, this piston kit provides the reliability and performance needed for demanding driving conditions.

Key Features

Wiseco's Professional Series pistons are crafted from high-quality forged aluminum, ensuring exceptional strength and durability under extreme conditions. The R/Dome design promotes optimal airflow and combustion efficiency, contributing to improved power and throttle response. Each piston is precision-machined for a perfect fit and includes premium rings for reliable sealing and longevity. The kit is engineered to support high compression ratios, making it suitable for performance builds that require increased power output. Designed with a shelf stock configuration, these pistons are straightforward to install in compatible Subaru WRX engines, providing a reliable upgrade for serious enthusiasts and professional tuners.

Construction & Design

Manufactured from forged aluminum, these pistons feature a carefully engineered R/Dome shape that enhances airflow and combustion efficiency. The high-precision machining ensures a perfect fit, reducing the risk of piston slap and promoting consistent performance. The design incorporates features to support high compression ratios and withstand the rigors of racing environments, making them a robust choice for demanding applications.

Performance & Response

These Wiseco pistons are designed to support increased engine response and power delivery. The forged construction and optimized dome shape improve combustion efficiency, helping your engine produce more horsepower and torque. The durable design ensures consistent performance under high-stress conditions, making them an excellent choice for race and high-performance street builds.

Installation & Fitment

Intended for use in Subaru WRX engines with a 4-valve configuration and a 93mm bore, these pistons are designed for straightforward installation in compatible engine blocks. Proper assembly requires standard machining and assembly procedures for forged piston installation.

What’s Included

The kit includes a set of forged pistons, complete with premium rings, designed to provide a comprehensive upgrade for your engine rebuild or performance enhancement project.

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