Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Kit

SKU: WISK579M925
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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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wiseco

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

Wiseco STROKER Piston Kit for Subaru WRX EJ20

Enhance the performance and reliability of your Subaru WRX EJ20 engine with this specialized STROKER Piston Kit from Wiseco. Manufactured in the USA from high-strength 2618 aluminum, these pistons are engineered to withstand the rigors of high-performance driving and racing applications. The 1.181-inch compression height is designed for stroker applications, allowing for increased displacement and power.

Key Features:

  • Material: Forged from premium 2618 aluminum for exceptional tensile strength and durability.
  • ArmorGlide? Skirt Coating: Reduces friction, minimizes wear, and ensures quieter operation for enhanced longevity.
  • Precision Machining: Features fully machined crowns with precise ring grooves, an anti-detonation groove, and additional ring seal improvements for optimal performance.
  • Forced Pin Oiling: Designed with forced pin oiling to guarantee sufficient lubrication of the piston pin.
  • Stroker Application Ready: Specifically designed with a 1.181-inch compression height for stroker engine builds, enabling greater displacement and power potential.
  • Heavy-Duty Performance: Built to endure heavy to severe duty performance applications, ensuring reliability under extreme conditions.

This Wiseco STROKER Piston Kit is the ideal choice for Subaru WRX enthusiasts looking to build a more powerful and robust engine. Whether for track days, rally, or spirited street driving, these pistons provide the foundation for significant performance gains. Trust in Wiseco's commitment to quality and performance for your EJ20 build. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-1998 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-1998 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998 Subaru Impreza RS

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wiseco

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

Wiseco STROKER Piston Kit for Subaru WRX EJ20

Enhance the performance and reliability of your Subaru WRX EJ20 engine with this specialized STROKER Piston Kit from Wiseco. Manufactured in the USA from high-strength 2618 aluminum, these pistons are engineered to withstand the rigors of high-performance driving and racing applications. The 1.181-inch compression height is designed for stroker applications, allowing for increased displacement and power.

Key Features:

  • Material: Forged from premium 2618 aluminum for exceptional tensile strength and durability.
  • ArmorGlide? Skirt Coating: Reduces friction, minimizes wear, and ensures quieter operation for enhanced longevity.
  • Precision Machining: Features fully machined crowns with precise ring grooves, an anti-detonation groove, and additional ring seal improvements for optimal performance.
  • Forced Pin Oiling: Designed with forced pin oiling to guarantee sufficient lubrication of the piston pin.
  • Stroker Application Ready: Specifically designed with a 1.181-inch compression height for stroker engine builds, enabling greater displacement and power potential.
  • Heavy-Duty Performance: Built to endure heavy to severe duty performance applications, ensuring reliability under extreme conditions.

This Wiseco STROKER Piston Kit is the ideal choice for Subaru WRX enthusiasts looking to build a more powerful and robust engine. Whether for track days, rally, or spirited street driving, these pistons provide the foundation for significant performance gains. Trust in Wiseco's commitment to quality and performance for your EJ20 build. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-1998 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-1998 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998 Subaru Impreza RS

Product Details

Product Description

About Wiseco

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

Wiseco STROKER Piston Kit for Subaru WRX EJ20

Enhance the performance and reliability of your Subaru WRX EJ20 engine with this specialized STROKER Piston Kit from Wiseco. Manufactured in the USA from high-strength 2618 aluminum, these pistons are engineered to withstand the rigors of high-performance driving and racing applications. The 1.181-inch compression height is designed for stroker applications, allowing for increased displacement and power.

Key Features:

  • Material: Forged from premium 2618 aluminum for exceptional tensile strength and durability.
  • ArmorGlide? Skirt Coating: Reduces friction, minimizes wear, and ensures quieter operation for enhanced longevity.
  • Precision Machining: Features fully machined crowns with precise ring grooves, an anti-detonation groove, and additional ring seal improvements for optimal performance.
  • Forced Pin Oiling: Designed with forced pin oiling to guarantee sufficient lubrication of the piston pin.
  • Stroker Application Ready: Specifically designed with a 1.181-inch compression height for stroker engine builds, enabling greater displacement and power potential.
  • Heavy-Duty Performance: Built to endure heavy to severe duty performance applications, ensuring reliability under extreme conditions.

This Wiseco STROKER Piston Kit is the ideal choice for Subaru WRX enthusiasts looking to build a more powerful and robust engine. Whether for track days, rally, or spirited street driving, these pistons provide the foundation for significant performance gains. Trust in Wiseco's commitment to quality and performance for your EJ20 build. Find this essential upgrade at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-1998 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-1998 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998 Subaru Impreza RS

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