Icon Forged Pistons BBC FHR Domed Piston Set 4.290 Bore -18.3cc For Big Block Chevy

SKU: GGFQ_IC9919.040
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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 Icon Forged Pistons

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

High-Performance Icon Forged FHR Domed Pistons for BBC

Unlock superior durability and compression control with the Icon Forged FHR series domed pistons, specifically engineered for Big Block Chevy engines. These forged pistons are designed to withstand the extreme pressures of high-output racing environments while maintaining precise tolerances for optimal combustion efficiency.

Technical Specifications

  • Engine Fitment: Big Block Chevy (BBC)
  • Bore Size: 4.290 inches
  • Piston Volume: -18.3cc (Domed)
  • Ring Groove Configuration: 5/64 in x 5/64 in x 3/16 in
  • Material: High-strength forged aluminum alloy
  • Quantity: Complete set of 8

The FHR series features a robust construction that resists detonation and thermal fatigue, making them an ideal choice for naturally aspirated or power-adder applications. Each piston is machined to exact specifications to ensure consistent weight and compression ratios across all cylinders, promoting a smoother, more powerful engine cycle. Whether you are rebuilding a street-strip machine or a dedicated track car, these pistons provide the reliability needed for competitive performance. Trust GGCRACING to supply the high-quality internal components required to take your Big Block Chevy build to the next level of power and longevity.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Icon Forged Pistons

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

High-Performance Icon Forged FHR Domed Pistons for BBC

Unlock superior durability and compression control with the Icon Forged FHR series domed pistons, specifically engineered for Big Block Chevy engines. These forged pistons are designed to withstand the extreme pressures of high-output racing environments while maintaining precise tolerances for optimal combustion efficiency.

Technical Specifications

  • Engine Fitment: Big Block Chevy (BBC)
  • Bore Size: 4.290 inches
  • Piston Volume: -18.3cc (Domed)
  • Ring Groove Configuration: 5/64 in x 5/64 in x 3/16 in
  • Material: High-strength forged aluminum alloy
  • Quantity: Complete set of 8

The FHR series features a robust construction that resists detonation and thermal fatigue, making them an ideal choice for naturally aspirated or power-adder applications. Each piston is machined to exact specifications to ensure consistent weight and compression ratios across all cylinders, promoting a smoother, more powerful engine cycle. Whether you are rebuilding a street-strip machine or a dedicated track car, these pistons provide the reliability needed for competitive performance. Trust GGCRACING to supply the high-quality internal components required to take your Big Block Chevy build to the next level of power and longevity.

Product Details

Product Description

About Icon Forged Pistons

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

High-Performance Icon Forged FHR Domed Pistons for BBC

Unlock superior durability and compression control with the Icon Forged FHR series domed pistons, specifically engineered for Big Block Chevy engines. These forged pistons are designed to withstand the extreme pressures of high-output racing environments while maintaining precise tolerances for optimal combustion efficiency.

Technical Specifications

  • Engine Fitment: Big Block Chevy (BBC)
  • Bore Size: 4.290 inches
  • Piston Volume: -18.3cc (Domed)
  • Ring Groove Configuration: 5/64 in x 5/64 in x 3/16 in
  • Material: High-strength forged aluminum alloy
  • Quantity: Complete set of 8

The FHR series features a robust construction that resists detonation and thermal fatigue, making them an ideal choice for naturally aspirated or power-adder applications. Each piston is machined to exact specifications to ensure consistent weight and compression ratios across all cylinders, promoting a smoother, more powerful engine cycle. Whether you are rebuilding a street-strip machine or a dedicated track car, these pistons provide the reliability needed for competitive performance. Trust GGCRACING to supply the high-quality internal components required to take your Big Block Chevy build to the next level of power and longevity.

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