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Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -24cc 99.5 Piston Shelf Stock Kit

$763.99

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Wiseco EJ257 WRX/STI 4v Dish -24cc 99.5 Piston Shelf Stock Kit. Forged from 2618 aluminum for severe duty race builds.

Key Features

  • This kit includes four Wiseco Professional Series forged pistons.
  • Each piston is machined from 2618 aluminum for improved tensile strength.
  • Features a -24cc dish and a 99.5mm bore for the Subaru EJ257 engine.
  • Includes precision ring grooves, anti-detonation groove, and enhanced ring seal features.
  • ArmorGlide skirt coating reduces friction, resists seizure, and quiets operation.
  • Fully machined crown and forced pin oiling support demanding performance applications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This kit includes four Wiseco Professional Series forged pistons, designed specifically for the Subaru EJ257 engine. These pistons feature a -24cc dish and a 99.5mm bore, making them suitable for serious racers and builders looking to push their engines hard. They are engineered and machined in the USA from 2618 aluminum, a material chosen for its improved tensile strength, which is crucial for high-performance applications.

Wiseco has packed these pistons with features to enhance both performance and durability. You'll find precision ring grooves, an anti-detonation groove, and additional ring seal improvements to ensure a solid seal under extreme conditions. The ArmorGlide skirt coating helps reduce friction and resist seizure, while also contributing to quieter operation. The fully machined crown and forced pin oiling further support the demanding nature of heavy to severe duty race builds, ensuring these pistons can handle the stress.

When you're rebuilding a high-performance EJ257 for racing, these Wiseco pistons are built to withstand the rigors of competition. They are designed for applications where engine stress is a constant factor, offering a well-built component to help you achieve your performance goals.

Specifications

Brand
Wiseco
Manufacturer Part #
K704M995
UPC
193564184047

Frequently Asked Questions

Wiseco Subaru EJ257 WRX/STI 4v Dish -24cc 99.5 Piston Shelf Stock Kit

$763.99