Manley Performance
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
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Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257
Manley Performance

Manley 2618 Alloy Piston - 99.50mm STD Bore 8.5:1 Dish — Fits 2004+ Subaru WRX/STI EH257

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SKU: MAN632200CB-1

About Manley Performance Manley Performance engineers high-quality automotive parts and ...Read more

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$214.24 $219.73
2140 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Manley Performance

Manley Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Manley Performance lineup with fast shipping and expert fitment support — order with confidence.

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Manley Forged Piston for 2004+ Subaru WRX/STI (EH257)

Enhance your Subaru WRX/STI's engine performance with this high-quality Manley forged piston. Designed specifically for the 2004 and newer WRX/STI models featuring the EH257 engine, this piston boasts a 99.50mm standard bore and an 8.5:1 compression ratio with a dish top, making it ideal for various performance applications.

Superior Construction and Performance

  • 2618 Alloy Forgings: Crafted from domestic 2618 alloy, these pistons offer exceptional strength and durability to withstand demanding driving conditions.
  • Chrome Moly Wrist Pins: Comes standard with premium Chrome Moly wrist pins for robust performance. Upgrades to 9310 and Turbo Tuff/DLC alloys are available for even greater resilience.
  • Precision Machining: Features exacting ring lands and grooves for optimal ring seal and increased power output.
  • Optimized Profiles: Cam and barrel profiles are engineered to maximize power generation while minimizing wear on cylinder walls.
  • Unique Fixturing: Manley's innovative fixturing ensures skirt turning and ring groove machining are performed in a single operation, guaranteeing perfect squareness for ultimate reliability.

This single forged piston is a critical component for enthusiasts looking to rebuild or upgrade their Subaru WRX/STI engine. Trust Manley Performance for precision-engineered parts that deliver results.

Shop Manley Performance pistons at GGCRACING.

About Manley Performance

Manley Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Manley Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Manley Forged Piston for 2004+ Subaru WRX/STI (EH257)

Enhance your Subaru WRX/STI's engine performance with this high-quality Manley forged piston. Designed specifically for the 2004 and newer WRX/STI models featuring the EH257 engine, this piston boasts a 99.50mm standard bore and an 8.5:1 compression ratio with a dish top, making it ideal for various performance applications.

Superior Construction and Performance

  • 2618 Alloy Forgings: Crafted from domestic 2618 alloy, these pistons offer exceptional strength and durability to withstand demanding driving conditions.
  • Chrome Moly Wrist Pins: Comes standard with premium Chrome Moly wrist pins for robust performance. Upgrades to 9310 and Turbo Tuff/DLC alloys are available for even greater resilience.
  • Precision Machining: Features exacting ring lands and grooves for optimal ring seal and increased power output.
  • Optimized Profiles: Cam and barrel profiles are engineered to maximize power generation while minimizing wear on cylinder walls.
  • Unique Fixturing: Manley's innovative fixturing ensures skirt turning and ring groove machining are performed in a single operation, guaranteeing perfect squareness for ultimate reliability.

This single forged piston is a critical component for enthusiasts looking to rebuild or upgrade their Subaru WRX/STI engine. Trust Manley Performance for precision-engineered parts that deliver results.

Shop Manley Performance pistons at GGCRACING.

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