CP Pistons

CP Pistons EJ257 Forged Piston & Ring Set 100mm 8.2CR — Fits 2004-2012 Subaru WRX STi

CP Pistons EJ257 Forged Piston & Ring Set 100mm 8.2CR — Fits 2004-2012 Subaru WRX STi
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CP Pistons EJ257 Forged Piston & Ring Set 100mm 8.2CR — Fits 2004-2012 Subaru WRX STi
CP Pistons

CP Pistons EJ257 Forged Piston & Ring Set 100mm 8.2CR — Fits 2004-2012 Subaru WRX STi

SKU: CPPSC7421-4
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High-Performance Forged Internals for Subaru EJ257Unlock the true potential of ...Read More

Price:
$885.99
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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

High-Performance Forged Internals for Subaru EJ257

Unlock the true potential of your Subaru EJ257 engine with this premium CP Pistons Forged Piston and Ring Set. Engineered for enthusiasts who demand reliability under extreme boost, these pistons are designed to handle high horsepower and torque loads while maintaining optimal combustion efficiency. With a 100mm bore and a compression ratio of 8.2:1, this set is the perfect foundation for your next engine build.

Why Choose CP Pistons?

  • Forged Durability: Crafted from high-strength forged aluminum to withstand extreme cylinder pressures.
  • Precision Engineering: Balanced weight and precise ring land tolerances for maximum power output.
  • Complete Kit: Includes high-quality rings, pins, and locks, providing everything needed for a professional-grade installation.
  • Optimized Compression: The 8.2:1 CR is ideal for turbo-charged applications, allowing for aggressive tuning and improved knock resistance.

Designed specifically for the Subaru Impreza WRX STi (2004-2012), this set is a direct upgrade for those looking to rebuild or upgrade their factory short block. Whether you are aiming for a reliable daily driver or a high-output track weapon, these pistons provide the thermal stability and structural integrity required for modern performance. Experience the difference that precision-engineered components make in your Subaru build. Find all your performance engine needs at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

High-Performance Forged Internals for Subaru EJ257

Unlock the true potential of your Subaru EJ257 engine with this premium CP Pistons Forged Piston and Ring Set. Engineered for enthusiasts who demand reliability under extreme boost, these pistons are designed to handle high horsepower and torque loads while maintaining optimal combustion efficiency. With a 100mm bore and a compression ratio of 8.2:1, this set is the perfect foundation for your next engine build.

Why Choose CP Pistons?

  • Forged Durability: Crafted from high-strength forged aluminum to withstand extreme cylinder pressures.
  • Precision Engineering: Balanced weight and precise ring land tolerances for maximum power output.
  • Complete Kit: Includes high-quality rings, pins, and locks, providing everything needed for a professional-grade installation.
  • Optimized Compression: The 8.2:1 CR is ideal for turbo-charged applications, allowing for aggressive tuning and improved knock resistance.

Designed specifically for the Subaru Impreza WRX STi (2004-2012), this set is a direct upgrade for those looking to rebuild or upgrade their factory short block. Whether you are aiming for a reliable daily driver or a high-output track weapon, these pistons provide the thermal stability and structural integrity required for modern performance. Experience the difference that precision-engineered components make in your Subaru build. Find all your performance engine needs at GGCRACING.

Product Details

Product Description

High-Performance Forged Internals for Subaru EJ257

Unlock the true potential of your Subaru EJ257 engine with this premium CP Pistons Forged Piston and Ring Set. Engineered for enthusiasts who demand reliability under extreme boost, these pistons are designed to handle high horsepower and torque loads while maintaining optimal combustion efficiency. With a 100mm bore and a compression ratio of 8.2:1, this set is the perfect foundation for your next engine build.

Why Choose CP Pistons?

  • Forged Durability: Crafted from high-strength forged aluminum to withstand extreme cylinder pressures.
  • Precision Engineering: Balanced weight and precise ring land tolerances for maximum power output.
  • Complete Kit: Includes high-quality rings, pins, and locks, providing everything needed for a professional-grade installation.
  • Optimized Compression: The 8.2:1 CR is ideal for turbo-charged applications, allowing for aggressive tuning and improved knock resistance.

Designed specifically for the Subaru Impreza WRX STi (2004-2012), this set is a direct upgrade for those looking to rebuild or upgrade their factory short block. Whether you are aiming for a reliable daily driver or a high-output track weapon, these pistons provide the thermal stability and structural integrity required for modern performance. Experience the difference that precision-engineered components make in your Subaru build. Find all your performance engine needs at GGCRACING.

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