• Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
  • Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)
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Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)

Manley 75mm STD Stroke +0.5mm Bore Piston w/ Rings | Subaru WRX (98+) (615005C-1)

615005C-1

In stock

$169.89 USD
$190.01 USD $169.89 USD
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The Manley Platinum Series pistons are high-performance forged components designed for Subaru WRX models with the EJ205 engine. Crafted from 2618 alloy, these pistons feature proven cam and barrel skirt profiles to ensure optimal strength and durability under demanding conditions. Equipped with tool steel wrist pins and moly skirt coatings on select part numbers, they provide excellent wear resistance and thermal stability. These pistons are engineered to deliver superior performance, consistent power output, and longevity, making them ideal for serious tuning and engine builds. Their precise design and high-quality materials support increased boost levels and aggressive driving styles while maintaining reliability.

Designed for Subaru WRX models from 1998 onward, these pistons are suitable for engines with a 75mm bore and a 92.5mm stroke, with a compression ratio of 8.5:1 and a dish configuration. They serve as a direct replacement or upgrade for stock pistons in performance applications, including street and track use. The kit includes a set of pistons with rings, ensuring a straightforward installation process. These pistons are intended for use in high-performance builds, whether for daily driving, spirited street use, or motorsport, providing a durable and reliable solution for enhancing engine output.

Overview

Manley Performance Pistons

Fitment Summary

Designed specifically for the Subaru WRX models with the EJ205 engine from 1998 onward, these pistons are ideal for enthusiasts and professional tuners seeking reliable high-performance engine components.

Part #: 615005C-1

Overview

The Manley Platinum Series pistons are engineered to deliver exceptional durability and performance for your Subaru WRX engine. Crafted from high-quality 2618 alloy forgings, these pistons are built to withstand the rigors of high-performance applications. Featuring proven cam and barrel skirt profiles, they help optimize engine response and efficiency. The inclusion of tool steel wrist pins and moly skirt coatings on select models ensures reduced friction, enhanced wear resistance, and long-lasting reliability. Whether you're building a street or race engine, these pistons provide a solid foundation for increased power and durability.

Key Features

  • Manufactured from 2618 alloy forging for strength and lightweight performance
  • Designed with proven cam and barrel skirt profiles for optimal engine dynamics
  • Includes durable tool steel wrist pins for secure and reliable connection
  • Moly skirt coatings on select models to reduce friction and wear
  • Engineered for high-performance Subaru EJ205 engines from 1998 and newer
  • Displacement increase with +0.5mm bore for enhanced engine capacity
  • Dish piston design with 75mm bore and 8.5:1 compression ratio for balanced power and efficiency

Construction & Design

These pistons feature a precision-machined forging process using high-grade 2618 alloy, ensuring consistent quality and structural integrity. The moly skirt coatings provide a low-friction surface, reducing wear and improving piston longevity under demanding conditions. The design incorporates a dish top to optimize compression ratios and combustion efficiency, making them suitable for high-performance builds.

Performance & Response

Built to support increased power output, these pistons help improve engine response and reliability during high-stress driving or tuning scenarios. Their robust construction ensures consistent performance, whether on the street or track, and they are designed to handle elevated boost levels and aggressive tuning setups.

Installation & Fitment

Designed as a direct replacement for OEM pistons in the Subaru EJ205 engine, installation requires standard engine rebuild procedures. Proper clearance and assembly are essential for optimal performance and longevity. Professional installation is recommended to ensure correct fitment and operation.

What’s Included

This package includes a set of single pistons with rings, designed to match the specifications of your engine rebuild or upgrade project.

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