Manley Performance

Manley Subaru EJ257 99.75mm +.25mm Bore 8.5:1 Dish Platinum Series Piston Set with Rings - 612202C-4

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SKU:
MAN612202C-4
UPC:
807298107875
MPN:
612202C-4
Availability:
Regularly stocked product
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MSRP: $760.03
$699.23
— You save $60.80
Current Stock: 4

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Description

What is the recommended installation method for these pistons?
Professional installation is recommended for Manley Piston Sets - Forged - 4cyl to ensure precise fitment and optimal performance.

Are these pistons designed for high-performance applications?
Engineered with 2618 alloy forgings, these pistons deliver unparalleled strength for extreme boost and high RPM racing.

Manley Piston Sets - Forged - 4cyl are engineered with 2618 alloy forgings for unparalleled strength, achieving a score of 9 in track and drag racing use cases. Featuring proven cam and barrel skirt profiles and moly skirt coatings, these pistons achieve smoother engine operation. Trust these robust components for your demanding motorsport applications.

What Owners Say

Owners and enthusiasts consistently highlight Manley pistons as quality 2618 forgings that rank among preferred choices for serious engine builds, with particular praise for their cylinder wall-friendly design that avoids scoring. The weight reduction compared to OEM components is notable—builders report these piston and rod assemblies coming in significantly lighter, which matters for performance applications. However, some users caution that the included piston rings can be problematic, potentially becoming too soft to seal properly and leading to premature oil consumption issues. Despite this specific concern about ring quality, Manley has earned respect in the performance community for listening to feedback and improving their designs, maintaining their reputation as a trusted name for forced induction and high-horsepower builds.

Key Features

  • 2618 alloy forgings
  • proven cam and barrel skirt profiles
  • tool steel wrist pins
  • moly skirt coatings
  • Chrome Moly Wrist Pins
  • 9310 and Turbo Tuff/DLC alloys

Why Choose the MAN Piston Sets - 4 Cyl

Delivers extreme durability for relentless track days and street abuse.

Achieves smoother engine operation and reduced friction for enhanced power.

Provides superior piston strength to withstand extreme boost and high RPMs.

Transforms your engine's reliability under demanding performance conditions.

Who Is This For?

Track / Autocross — 9/10
2618 alloy forgings offer extreme strength and reliability.

Drag Racing — 9/10
Engineered for extreme performance demands and strength.

Racing Competition — 9/10
2618 alloy forgings provide unparalleled strength.

Street Performance — 8/10
Proven skirt profiles and moly coatings enhance performance.

Engine Performance — 9/10
2618 alloy forgings ensure strength under extreme demands.

High Speed Desert Running — 8/10
2618 alloy forgings offer reliability under extreme demands.

Frequently Asked Questions

What are the benefits of Manley Forged Piston Sets for 4-cylinder engines?

Manley forged piston sets deliver extreme durability for relentless track days and street abuse. Engineered with 2618 alloy forgings, they provide superior piston strength to withstand extreme boost and high RPMs, achieving a usage score of 9 for Track/Autocross. These pistons transform your engine's reliability under demanding performance conditions.

How do I ensure Manley forged pistons are compatible with my vehicle?

Confirm fitment with your specific vehicle before purchase. Professional installation is recommended by a qualified technician to ensure proper integration. This ensures your engine benefits from the unparalleled strength of 2618 alloy forgings.

Are Manley Performance forged pistons a worthwhile upgrade over stock for engine performance?

Upgrading to Manley forged pistons is highly beneficial for engine performance due to their 2618 alloy forgings. This material provides unparalleled strength and reliability under extreme performance demands, earning a usage score of 9 for Engine Performance. This offers a significant enhancement over stock components for demanding applications.

What is involved in installing Manley forged pistons?

Professional installation by a qualified technician is recommended for these pistons. The proven cam and barrel skirt profiles, along with moly skirt coatings, contribute to smoother engine operation and reduced friction. This advanced installation process ensures optimal performance and longevity.

How durable are Manley forged pistons for high-demand use cases?

Manley forged pistons offer extreme durability, achieving a usage score of 9 for Racing Competition. Their 2618 alloy forgings provide unparalleled strength, ensuring reliability under the most demanding motorsport applications. These pistons are built to withstand relentless abuse.

Additional Resources

Official Manley Performance Product Page

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
612202C-4
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Universal Fitment:
Y
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Racing Competition:
9/10
Street Performance:
8/10
Engine Performance:
9/10
High Speed Desert Running:
8/10
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