Manley Performance

Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston Set with Rings - 612102C-4

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SKU:
MAN612102C-4
UPC:
807298104935
MPN:
612102C-4
Availability:
Regularly stocked product
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MSRP: $760.03
$699.23
— You save $60.80
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Description

What is the recommended installation for these pistons?
Professional installation is strongly recommended for these Manley pistons to ensure optimal performance and fitment.

Are these pistons compatible with my 4 cylinder engine?
Confirm fitment with your specific vehicle before ordering to guarantee compatibility with your 4 cylinder engine.

Manley 4 Cyl Forged Piston Sets are engineered with 2618 alloy forgings for unmatched strength and reliability under extreme performance demands, scoring a 9 for Track/Autocross and Drag Racing. Featuring platinum series pistons and proven cam and barrel skirt profiles, these sets deliver extreme durability for sustained high-output driving. Trust in Manley for superior piston performance in your demanding motorsport applications.

Key Features

  • Platinum Series pistons
  • 2618 alloy forgings
  • proven cam and barrel skirt profiles
  • tool steel wrist pins
  • moly skirt coatings
  • Chrome Moly Wrist Pins

Why Choose the MAN Piston Sets - 4 Cyl

Delivers extreme durability for sustained high-output driving.

Achieves superior strength and reliability under demanding conditions.

Provides smoother engine operation and reduced friction for enhanced power.

Transforms your Subaru's engine for race-ready performance and longevity.

Who Is This For?

Track / Autocross — 9/10
2618 alloy forgings for extreme performance demands.

Drag Racing — 9/10
2618 alloy forgings for extreme performance demands.

Racing Competition — 9/10
2618 alloy forgings for extreme performance demands.

Street Performance — 8/10
Premium performance pistons for enhanced engine output.

Engine Performance — 9/10
2618 alloy forgings for unmatched strength and reliability.

Frequently Asked Questions

Will the Manley Performance MAN Piston Sets - 4 Cyl fit my vehicle?

These Manley Performance MAN Piston Sets are designed to fit your 2004-2012 Subaru Impreza. The specified fitment ensures precise compatibility for your vehicle's engine. You can confidently install these pistons knowing they are engineered for your Subaru.

How difficult is the installation of the Manley Performance MAN Piston Sets - 4 Cyl?

Professional installation is recommended for the Manley Performance MAN Piston Sets - 4 Cyl. Confirmation with a qualified technician is advised to ensure proper fitment and optimal engine function. This approach guarantees a successful and reliable engine rebuild.

What performance improvement does the MAN Piston Sets - 4 Cyl provide over stock?

These pistons achieve a remarkable score of 9 for Engine Performance, driven by their 2618 alloy forgings. This indicates a significant enhancement in strength and reliability for demanding engine applications. Expect a transformed engine capable of handling extreme conditions.

What specific material contributes to the extreme durability of these pistons?

The extreme durability is delivered by the advanced 2618 alloy forgings used in these Platinum Series pistons. This material is specifically chosen for its superior strength and reliability under sustained high-output driving. These pistons are built for demanding motorsport applications.

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:
612102C-4
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Racing Competition:
9/10
Street Performance:
8/10
Engine Performance:
9/10
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