Manley Performance

Manley 2015+ Subaru WRX FA20F 86.1mm +.1mm Bore 10:1 Dish Piston Set of 4 - 632701C-4

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SKU:
MAN632701C-4
UPC:
807298093161
MPN:
632701C-4
Availability:
Regularly stocked product
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MSRP: $767.35
$705.96
— You save $61.39
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Description

What are the primary benefits of forged pistons?
Forged pistons offer superior strength and reliability under demanding conditions, delivering extreme durability for sustained high-performance driving.

Are these pistons suitable for street use?
Manley Platinum Series pistons, with tool steel wrist pins, enhance durability for a robust street performance experience.

Manley Piston Sets - 4 Cyl, utilizing 2618 alloy forgings, deliver unmatched strength and reliability for optimal Track/Autocross performance with a score of 9. These Platinum Series pistons feature proven cam and barrel skirt profiles and tool steel wrist pins for extreme durability. Equip your 4-cylinder engine with confidence for demanding motorsport applications.

What Owners Say

Owners and enthusiasts consistently praise Manley pistons as well-designed, high-quality 2618 forgings that rank alongside premium competitors like CP and Wiseco. Builders appreciate that these pistons don't score cylinder walls, and Manley has responded to feedback by reducing weight—some reporting assemblies running 46 grams lighter than OEM, a significant performance advantage. The company's willingness to listen and improve their products has earned respect in the community. However, a recurring criticism centers on the piston rings, which some owners report become too soft relatively quickly, leading to sealing issues and premature oil consumption. Despite this concern, Manley maintains a strong reputation among serious engine builders who prefer them for high-performance applications.

Key Features

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

Why Choose the MAN Piston Sets - 4 Cyl

Delivers extreme durability for sustained high-performance driving.

Achieves superior strength and reliability under demanding conditions.

Provides smoother engine operation and reduced friction for enhanced power.

Transforms your engine's potential with race-proven piston technology.

Who Is This For?

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

Drag Racing — 9/10
2618 alloy forgings offer unmatched strength and reliability.

Racing Competition — 9/10
2618 alloy forgings offer unmatched strength and reliability.

Street Performance — 8/10
Forged pistons and tool steel wrist pins enhance durability.

Engine Performance — 8/10
Forged construction and proven profiles optimize engine operation.

High Speed Desert Running — 7/10
2618 alloy forgings provide strength for demanding conditions.

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:
632701C-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:
8/10
High Speed Desert Running:
7/10
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