KB Hypereutectic Pistons 4.290 Bore Flat Top Piston Set — Fits Mopar B-Series Engines

SKU: BJDT_KB162.040
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About KB Hypereutectic Pistons KB Hypereutectic Pistons engineers high-quality automotive ...Read More

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Sale price$418.71
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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 KB Hypereutectic Pistons

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

High-Performance Mopar B-Series Pistons

Unlock superior reliability and power with this set of KB Hypereutectic flat top pistons, engineered specifically for Mopar B-Series engines. Featuring a 4.290-inch bore and a -8cc dish volume, these pistons are designed to provide an ideal compression ratio for street and strip applications. The hypereutectic alloy construction offers greater strength than standard cast pistons, ensuring they can handle increased cylinder pressures without the expansion issues associated with forged alternatives.

Technical Specifications

  • Engine Fitment: Mopar B-Series
  • Bore Size: 4.290 inches
  • Volume: -8.00cc Flat Top
  • Ring Grooves: 5/64 x 5/64 x 3/16 inch
  • Material: High-strength Hypereutectic Alloy
  • Quantity: Set of 8

These pistons are precision-machined to provide excellent ring seal and heat dissipation, which are critical for maintaining consistent performance under load. Whether you are performing a mild rebuild or a performance upgrade, these KB pistons offer the perfect balance of longevity and efficiency. The optimized ring groove design supports modern ring packs for reduced friction and improved oil control. Trust your engine build to the quality components found at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About KB Hypereutectic Pistons

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

High-Performance Mopar B-Series Pistons

Unlock superior reliability and power with this set of KB Hypereutectic flat top pistons, engineered specifically for Mopar B-Series engines. Featuring a 4.290-inch bore and a -8cc dish volume, these pistons are designed to provide an ideal compression ratio for street and strip applications. The hypereutectic alloy construction offers greater strength than standard cast pistons, ensuring they can handle increased cylinder pressures without the expansion issues associated with forged alternatives.

Technical Specifications

  • Engine Fitment: Mopar B-Series
  • Bore Size: 4.290 inches
  • Volume: -8.00cc Flat Top
  • Ring Grooves: 5/64 x 5/64 x 3/16 inch
  • Material: High-strength Hypereutectic Alloy
  • Quantity: Set of 8

These pistons are precision-machined to provide excellent ring seal and heat dissipation, which are critical for maintaining consistent performance under load. Whether you are performing a mild rebuild or a performance upgrade, these KB pistons offer the perfect balance of longevity and efficiency. The optimized ring groove design supports modern ring packs for reduced friction and improved oil control. Trust your engine build to the quality components found at GGCRACING.

Product Details

Product Description

About KB Hypereutectic Pistons

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

High-Performance Mopar B-Series Pistons

Unlock superior reliability and power with this set of KB Hypereutectic flat top pistons, engineered specifically for Mopar B-Series engines. Featuring a 4.290-inch bore and a -8cc dish volume, these pistons are designed to provide an ideal compression ratio for street and strip applications. The hypereutectic alloy construction offers greater strength than standard cast pistons, ensuring they can handle increased cylinder pressures without the expansion issues associated with forged alternatives.

Technical Specifications

  • Engine Fitment: Mopar B-Series
  • Bore Size: 4.290 inches
  • Volume: -8.00cc Flat Top
  • Ring Grooves: 5/64 x 5/64 x 3/16 inch
  • Material: High-strength Hypereutectic Alloy
  • Quantity: Set of 8

These pistons are precision-machined to provide excellent ring seal and heat dissipation, which are critical for maintaining consistent performance under load. Whether you are performing a mild rebuild or a performance upgrade, these KB pistons offer the perfect balance of longevity and efficiency. The optimized ring groove design supports modern ring packs for reduced friction and improved oil control. Trust your engine build to the quality components found at GGCRACING.

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