Icon Forged Pistons LS 5.3L Flat Top Forged Piston Set — Fits GM LS-Series 3.780 Bore

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SKU: GGFQ_IC9985C.STD
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About Icon Forged Pistons Icon Forged Pistons engineers high-quality automotive ...Read More

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Sale price$485.77 Regular price$496.43
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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.

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High-Performance Icon Forged Pistons for GM LS 5.3L

Elevate your engine's reliability and power output with the Icon Forged Pistons LS 5.3L Flat Top set. Engineered for enthusiasts who demand precision, these pistons are designed to handle high-stress environments while maintaining optimal compression ratios. Whether you are building a street machine or a track-ready powerhouse, these pistons provide the durability required for forced induction or high-RPM naturally aspirated setups.

Technical Specifications

  • Material: Premium Forged Alloy
  • Bore Size: 3.780 inches
  • Design: Flat Top (FHR)
  • Ring Grooves: 1.5mm x 1.5mm x 3.0mm
  • Volume: -2.90 cc
  • Compatibility: GM LS-Series 5.3L Engines
  • Quantity: Complete Set of 8

These pistons feature a robust construction that resists detonation and thermal fatigue, ensuring longevity during aggressive driving. The flat-top geometry is optimized for efficient combustion, helping you extract maximum horsepower from your LS build. Precision machining guarantees perfect ring sealing and consistent tolerances across all cylinders, reducing blow-by and oil consumption. When you choose Icon, you are choosing industry-leading engineering backed by years of racing heritage. Experience superior engine performance and reliability with these top-tier components. For expert advice and the best selection of engine internals, trust the team at GGCRACING.

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.

Watch in action

High-Performance Icon Forged Pistons for GM LS 5.3L

Elevate your engine's reliability and power output with the Icon Forged Pistons LS 5.3L Flat Top set. Engineered for enthusiasts who demand precision, these pistons are designed to handle high-stress environments while maintaining optimal compression ratios. Whether you are building a street machine or a track-ready powerhouse, these pistons provide the durability required for forced induction or high-RPM naturally aspirated setups.

Technical Specifications

  • Material: Premium Forged Alloy
  • Bore Size: 3.780 inches
  • Design: Flat Top (FHR)
  • Ring Grooves: 1.5mm x 1.5mm x 3.0mm
  • Volume: -2.90 cc
  • Compatibility: GM LS-Series 5.3L Engines
  • Quantity: Complete Set of 8

These pistons feature a robust construction that resists detonation and thermal fatigue, ensuring longevity during aggressive driving. The flat-top geometry is optimized for efficient combustion, helping you extract maximum horsepower from your LS build. Precision machining guarantees perfect ring sealing and consistent tolerances across all cylinders, reducing blow-by and oil consumption. When you choose Icon, you are choosing industry-leading engineering backed by years of racing heritage. Experience superior engine performance and reliability with these top-tier components. For expert advice and the best selection of engine internals, trust the team at GGCRACING.

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.

Watch in action

High-Performance Icon Forged Pistons for GM LS 5.3L

Elevate your engine's reliability and power output with the Icon Forged Pistons LS 5.3L Flat Top set. Engineered for enthusiasts who demand precision, these pistons are designed to handle high-stress environments while maintaining optimal compression ratios. Whether you are building a street machine or a track-ready powerhouse, these pistons provide the durability required for forced induction or high-RPM naturally aspirated setups.

Technical Specifications

  • Material: Premium Forged Alloy
  • Bore Size: 3.780 inches
  • Design: Flat Top (FHR)
  • Ring Grooves: 1.5mm x 1.5mm x 3.0mm
  • Volume: -2.90 cc
  • Compatibility: GM LS-Series 5.3L Engines
  • Quantity: Complete Set of 8

These pistons feature a robust construction that resists detonation and thermal fatigue, ensuring longevity during aggressive driving. The flat-top geometry is optimized for efficient combustion, helping you extract maximum horsepower from your LS build. Precision machining guarantees perfect ring sealing and consistent tolerances across all cylinders, reducing blow-by and oil consumption. When you choose Icon, you are choosing industry-leading engineering backed by years of racing heritage. Experience superior engine performance and reliability with these top-tier components. For expert advice and the best selection of engine internals, trust the team at GGCRACING.

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