Eagle 4340 Forged Crankshaft 4.250 Stroke — Fits Big Block Chevy

SKU: BBPG_445442546385
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Sale price$1,295.99
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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 Eagle

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

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Precision-Engineered Power for Big Block Chevy

Experience unmatched durability with the Eagle 4340 Forged Steel Crankshaft. Designed specifically for high-horsepower Big Block Chevy applications, this 4.250-inch stroke crankshaft provides the structural integrity needed for extreme racing environments. Its forged construction ensures superior resistance to fatigue compared to cast alternatives, making it the ideal foundation for your performance build.

Key Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance Type: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Big Block Chevy (BBC)

This crankshaft is precision-machined to meet tight tolerances, ensuring smooth rotation and reduced vibration under load. Whether you are building a street-strip machine or a dedicated track car, the Eagle forged series offers the reliability that engine builders trust. The internal balance design simplifies your rotating assembly setup, saving you time and money during the balancing process. Every component is rigorously inspected to ensure it meets the high standards required for professional-grade engine building. When you need a crankshaft that can handle the torque and RPM of a high-performance BBC, look no further than this premium Eagle component. Elevate your engine's potential and longevity with this essential upgrade available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eagle

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

Watch in action

Precision-Engineered Power for Big Block Chevy

Experience unmatched durability with the Eagle 4340 Forged Steel Crankshaft. Designed specifically for high-horsepower Big Block Chevy applications, this 4.250-inch stroke crankshaft provides the structural integrity needed for extreme racing environments. Its forged construction ensures superior resistance to fatigue compared to cast alternatives, making it the ideal foundation for your performance build.

Key Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance Type: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Big Block Chevy (BBC)

This crankshaft is precision-machined to meet tight tolerances, ensuring smooth rotation and reduced vibration under load. Whether you are building a street-strip machine or a dedicated track car, the Eagle forged series offers the reliability that engine builders trust. The internal balance design simplifies your rotating assembly setup, saving you time and money during the balancing process. Every component is rigorously inspected to ensure it meets the high standards required for professional-grade engine building. When you need a crankshaft that can handle the torque and RPM of a high-performance BBC, look no further than this premium Eagle component. Elevate your engine's potential and longevity with this essential upgrade available at GGCRACING.

Product Details

Product Description

About Eagle

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

Watch in action

Precision-Engineered Power for Big Block Chevy

Experience unmatched durability with the Eagle 4340 Forged Steel Crankshaft. Designed specifically for high-horsepower Big Block Chevy applications, this 4.250-inch stroke crankshaft provides the structural integrity needed for extreme racing environments. Its forged construction ensures superior resistance to fatigue compared to cast alternatives, making it the ideal foundation for your performance build.

Key Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance Type: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Big Block Chevy (BBC)

This crankshaft is precision-machined to meet tight tolerances, ensuring smooth rotation and reduced vibration under load. Whether you are building a street-strip machine or a dedicated track car, the Eagle forged series offers the reliability that engine builders trust. The internal balance design simplifies your rotating assembly setup, saving you time and money during the balancing process. Every component is rigorously inspected to ensure it meets the high standards required for professional-grade engine building. When you need a crankshaft that can handle the torque and RPM of a high-performance BBC, look no further than this premium Eagle component. Elevate your engine's potential and longevity with this essential upgrade available at GGCRACING.

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