Manley Performance

Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI

Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
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Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STIManley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI
Manley Performance

Manley Forged Piston Set - Subaru WRX/STI 99.50mm Bore 8.5:1 CR Dish - Fits 2004+ WRX/STI

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SKU: MAN632200C-4
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$762.99 $829.17
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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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Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Manley Performance Forged Piston Set for Subaru WRX/STI

Enhance the performance and durability of your Subaru WRX or STI (EH257 engine) with this high-quality forged piston set from Manley Performance. Designed for the 2004 and later models, these pistons feature a standard bore size of 99.50mm and an 8.5:1 compression ratio with a dish-top design, making them an excellent choice for modified and boosted applications.

Key Features:

  • 2618 Alloy Forgings: Utilizes domestic 2618 alloy for superior strength and resistance to detonation.
  • 8.5:1 Compression Ratio (Dish Top): Optimized for forced induction, providing a safer margin for boost.
  • 99.50mm Standard Bore: Precision-sized for a perfect fit in your EJ257 engine.
  • Durable Chrome Moly Wrist Pins: Included standard for robust performance. (Upgrades available to 9310 and Turbo Tuff/DLC).
  • Precise Ring Lands & Grooves: Engineered for optimal ring seal, ensuring maximum power and efficiency.
  • Optimized Cam & Barrel Profiles: Designed to generate significant power while minimizing cylinder wall friction.
  • Unique Manley Fixturing: Ensures critical squareness between ring grooves and piston skirts for consistent operation.

This set includes four pistons, providing a comprehensive upgrade for your Subaru's engine. Whether you're rebuilding after a failure or aiming for more power, these Manley pistons offer the reliability and performance needed for serious enthusiasts. Trust GGCRACING for your performance Subaru engine components.

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Manley Performance Forged Piston Set for Subaru WRX/STI

Enhance the performance and durability of your Subaru WRX or STI (EH257 engine) with this high-quality forged piston set from Manley Performance. Designed for the 2004 and later models, these pistons feature a standard bore size of 99.50mm and an 8.5:1 compression ratio with a dish-top design, making them an excellent choice for modified and boosted applications.

Key Features:

  • 2618 Alloy Forgings: Utilizes domestic 2618 alloy for superior strength and resistance to detonation.
  • 8.5:1 Compression Ratio (Dish Top): Optimized for forced induction, providing a safer margin for boost.
  • 99.50mm Standard Bore: Precision-sized for a perfect fit in your EJ257 engine.
  • Durable Chrome Moly Wrist Pins: Included standard for robust performance. (Upgrades available to 9310 and Turbo Tuff/DLC).
  • Precise Ring Lands & Grooves: Engineered for optimal ring seal, ensuring maximum power and efficiency.
  • Optimized Cam & Barrel Profiles: Designed to generate significant power while minimizing cylinder wall friction.
  • Unique Manley Fixturing: Ensures critical squareness between ring grooves and piston skirts for consistent operation.

This set includes four pistons, providing a comprehensive upgrade for your Subaru's engine. Whether you're rebuilding after a failure or aiming for more power, these Manley pistons offer the reliability and performance needed for serious enthusiasts. Trust GGCRACING for your performance Subaru engine components.

Product Details

Product Description

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.

Manley Performance Forged Piston Set for Subaru WRX/STI

Enhance the performance and durability of your Subaru WRX or STI (EH257 engine) with this high-quality forged piston set from Manley Performance. Designed for the 2004 and later models, these pistons feature a standard bore size of 99.50mm and an 8.5:1 compression ratio with a dish-top design, making them an excellent choice for modified and boosted applications.

Key Features:

  • 2618 Alloy Forgings: Utilizes domestic 2618 alloy for superior strength and resistance to detonation.
  • 8.5:1 Compression Ratio (Dish Top): Optimized for forced induction, providing a safer margin for boost.
  • 99.50mm Standard Bore: Precision-sized for a perfect fit in your EJ257 engine.
  • Durable Chrome Moly Wrist Pins: Included standard for robust performance. (Upgrades available to 9310 and Turbo Tuff/DLC).
  • Precise Ring Lands & Grooves: Engineered for optimal ring seal, ensuring maximum power and efficiency.
  • Optimized Cam & Barrel Profiles: Designed to generate significant power while minimizing cylinder wall friction.
  • Unique Manley Fixturing: Ensures critical squareness between ring grooves and piston skirts for consistent operation.

This set includes four pistons, providing a comprehensive upgrade for your Subaru's engine. Whether you're rebuilding after a failure or aiming for more power, these Manley pistons offer the reliability and performance needed for serious enthusiasts. Trust GGCRACING for your performance Subaru engine components.

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