Manley Performance

Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257

Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
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Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257
Manley Performance

Manley 612000CB-1 Forged Piston (STD Bore 99.50mm) — Fits 2004+ Subaru WRX STi EJ257

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SKU: MAN612000CB-1
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About Manley Performance Manley Performance engineers high-quality automotive parts and ...Read More

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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 612000CB-1 Forged Piston for 2004+ Subaru WRX STi (EJ257)

Elevate your Subaru WRX STi's engine performance with the Manley Performance 612000CB-1 forged piston. Engineered for the demanding EJ257 engine found in 2004 and newer WRX STi models, this piston is designed to withstand extreme conditions and deliver reliable power.

Key Features:

  • 2618 Alloy Forgings: Constructed from premium domestic 2618 alloy, providing exceptional strength and durability for high-performance applications.
  • Chrome Moly Wrist Pins: Comes standard with high-quality Chrome Moly wrist pins for robust performance.
  • Exacting Ring Lands and Grooves: Meticulously machined ring lands and grooves ensure a superior ring seal, translating to increased power output and efficiency.
  • Optimized Cam and Barrel Profiles: Features advanced profiles that maximize power generation while minimizing wear on cylinder walls for extended engine life.
  • Unique Fixturing: Manley's innovative fixturing process allows for simultaneous skirt turning and ring groove machining, guaranteeing perfect squareness for optimal performance.

This single forged piston is a crucial component for engine builds seeking enhanced strength and reliability. Whether you're building a track-focused machine or a powerful street car, Manley Performance pistons are a trusted choice. Ensure your EJ257 engine reaches its full potential with precision-engineered components from GGCRACING.

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 612000CB-1 Forged Piston for 2004+ Subaru WRX STi (EJ257)

Elevate your Subaru WRX STi's engine performance with the Manley Performance 612000CB-1 forged piston. Engineered for the demanding EJ257 engine found in 2004 and newer WRX STi models, this piston is designed to withstand extreme conditions and deliver reliable power.

Key Features:

  • 2618 Alloy Forgings: Constructed from premium domestic 2618 alloy, providing exceptional strength and durability for high-performance applications.
  • Chrome Moly Wrist Pins: Comes standard with high-quality Chrome Moly wrist pins for robust performance.
  • Exacting Ring Lands and Grooves: Meticulously machined ring lands and grooves ensure a superior ring seal, translating to increased power output and efficiency.
  • Optimized Cam and Barrel Profiles: Features advanced profiles that maximize power generation while minimizing wear on cylinder walls for extended engine life.
  • Unique Fixturing: Manley's innovative fixturing process allows for simultaneous skirt turning and ring groove machining, guaranteeing perfect squareness for optimal performance.

This single forged piston is a crucial component for engine builds seeking enhanced strength and reliability. Whether you're building a track-focused machine or a powerful street car, Manley Performance pistons are a trusted choice. Ensure your EJ257 engine reaches its full potential with precision-engineered components from GGCRACING.

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 612000CB-1 Forged Piston for 2004+ Subaru WRX STi (EJ257)

Elevate your Subaru WRX STi's engine performance with the Manley Performance 612000CB-1 forged piston. Engineered for the demanding EJ257 engine found in 2004 and newer WRX STi models, this piston is designed to withstand extreme conditions and deliver reliable power.

Key Features:

  • 2618 Alloy Forgings: Constructed from premium domestic 2618 alloy, providing exceptional strength and durability for high-performance applications.
  • Chrome Moly Wrist Pins: Comes standard with high-quality Chrome Moly wrist pins for robust performance.
  • Exacting Ring Lands and Grooves: Meticulously machined ring lands and grooves ensure a superior ring seal, translating to increased power output and efficiency.
  • Optimized Cam and Barrel Profiles: Features advanced profiles that maximize power generation while minimizing wear on cylinder walls for extended engine life.
  • Unique Fixturing: Manley's innovative fixturing process allows for simultaneous skirt turning and ring groove machining, guaranteeing perfect squareness for optimal performance.

This single forged piston is a crucial component for engine builds seeking enhanced strength and reliability. Whether you're building a track-focused machine or a powerful street car, Manley Performance pistons are a trusted choice. Ensure your EJ257 engine reaches its full potential with precision-engineered components from GGCRACING.

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