Wiseco 02-06 Acura/Honda K20/RSX-S Piston Set - 86.5mm Bore 11.0:1 CR

SKU: WISK634M865
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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 K20/RSX-S Forged Piston Set - 86.5mm Bore, 11.0:1 CR

Upgrade your 2002-2006 Acura K20 or RSX-S engine with this high-performance Wiseco forged piston set. Featuring an 86.5mm bore (0.020" oversize) and an 11.0:1 compression ratio, these pistons are engineered to deliver enhanced power and reliability for your performance build.

Performance-Driven Features:

  • Material: Forged from premium 2618 aluminum for superior strength and durability under high stress.
  • Bore Size: 86.5mm, providing a slight increase in displacement for more power.
  • Compression Ratio: 11.0:1, optimized for a balance of performance and pump gas usability.
  • Crown Design: Specifically designed dome/dish profile for the target compression ratio.
  • ArmorGlide™ Skirt Coating: Reduces friction, prevents skirt seizure, and contributes to quieter operation.
  • Precision Ring Grooves: Ensures optimal sealing and performance from your piston rings.
  • Anti-Detonation Groove: Helps protect the piston and engine from detonation damage.
  • Forced Pin Oiling: Enhances lubrication at the piston pin for increased longevity.
  • USA Machined: Manufactured to exacting standards for consistent quality and performance.

These Wiseco pistons are built to withstand the demands of spirited driving and track use. They are an excellent choice for rebuilding or upgrading your K20 engine, providing a solid foundation for increased horsepower and torque.

Ensure your K-series engine performs at its peak with Wiseco's renowned engineering and quality. Find this essential upgrade and more performance parts at GGCRACING.

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 K20/RSX-S Forged Piston Set - 86.5mm Bore, 11.0:1 CR

Upgrade your 2002-2006 Acura K20 or RSX-S engine with this high-performance Wiseco forged piston set. Featuring an 86.5mm bore (0.020" oversize) and an 11.0:1 compression ratio, these pistons are engineered to deliver enhanced power and reliability for your performance build.

Performance-Driven Features:

  • Material: Forged from premium 2618 aluminum for superior strength and durability under high stress.
  • Bore Size: 86.5mm, providing a slight increase in displacement for more power.
  • Compression Ratio: 11.0:1, optimized for a balance of performance and pump gas usability.
  • Crown Design: Specifically designed dome/dish profile for the target compression ratio.
  • ArmorGlide™ Skirt Coating: Reduces friction, prevents skirt seizure, and contributes to quieter operation.
  • Precision Ring Grooves: Ensures optimal sealing and performance from your piston rings.
  • Anti-Detonation Groove: Helps protect the piston and engine from detonation damage.
  • Forced Pin Oiling: Enhances lubrication at the piston pin for increased longevity.
  • USA Machined: Manufactured to exacting standards for consistent quality and performance.

These Wiseco pistons are built to withstand the demands of spirited driving and track use. They are an excellent choice for rebuilding or upgrading your K20 engine, providing a solid foundation for increased horsepower and torque.

Ensure your K-series engine performs at its peak with Wiseco's renowned engineering and quality. Find this essential upgrade and more performance parts at GGCRACING.

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 K20/RSX-S Forged Piston Set - 86.5mm Bore, 11.0:1 CR

Upgrade your 2002-2006 Acura K20 or RSX-S engine with this high-performance Wiseco forged piston set. Featuring an 86.5mm bore (0.020" oversize) and an 11.0:1 compression ratio, these pistons are engineered to deliver enhanced power and reliability for your performance build.

Performance-Driven Features:

  • Material: Forged from premium 2618 aluminum for superior strength and durability under high stress.
  • Bore Size: 86.5mm, providing a slight increase in displacement for more power.
  • Compression Ratio: 11.0:1, optimized for a balance of performance and pump gas usability.
  • Crown Design: Specifically designed dome/dish profile for the target compression ratio.
  • ArmorGlide™ Skirt Coating: Reduces friction, prevents skirt seizure, and contributes to quieter operation.
  • Precision Ring Grooves: Ensures optimal sealing and performance from your piston rings.
  • Anti-Detonation Groove: Helps protect the piston and engine from detonation damage.
  • Forced Pin Oiling: Enhances lubrication at the piston pin for increased longevity.
  • USA Machined: Manufactured to exacting standards for consistent quality and performance.

These Wiseco pistons are built to withstand the demands of spirited driving and track use. They are an excellent choice for rebuilding or upgrading your K20 engine, providing a solid foundation for increased horsepower and torque.

Ensure your K-series engine performs at its peak with Wiseco's renowned engineering and quality. Find this essential upgrade and more performance parts at GGCRACING.

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