Eagle SBC 4340 Forged Crankshaft 4.000 Stroke — Fits Small Block Chevy

SKU: BBPG_440040006000
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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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Eagle 4340 Forged Crankshaft for Small Block Chevy

Unleash the potential of your Small Block Chevy with the Eagle 4340 Forged Crankshaft. Featuring a 4.000-inch stroke, this crankshaft is the ideal choice for builders aiming for increased displacement and massive torque gains. Forged from high-strength 4340 steel, this unit is designed to survive the rigors of high-RPM racing and aggressive street driving.

Key Features

  • Stroke: 4.000 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Application: Small Block Chevy
  • Quality: Precision machined for perfect fitment

The internal balance design ensures smooth operation throughout the entire RPM range, minimizing stress on your main bearings and block. By choosing a forged component over a cast alternative, you are investing in the long-term reliability of your engine build. This crankshaft is perfectly suited for high-compression builds, nitrous applications, or forced induction setups where stock components would fail. Build your dream engine with the best parts available. For professional-grade engine components, look no further than 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

Eagle 4340 Forged Crankshaft for Small Block Chevy

Unleash the potential of your Small Block Chevy with the Eagle 4340 Forged Crankshaft. Featuring a 4.000-inch stroke, this crankshaft is the ideal choice for builders aiming for increased displacement and massive torque gains. Forged from high-strength 4340 steel, this unit is designed to survive the rigors of high-RPM racing and aggressive street driving.

Key Features

  • Stroke: 4.000 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Application: Small Block Chevy
  • Quality: Precision machined for perfect fitment

The internal balance design ensures smooth operation throughout the entire RPM range, minimizing stress on your main bearings and block. By choosing a forged component over a cast alternative, you are investing in the long-term reliability of your engine build. This crankshaft is perfectly suited for high-compression builds, nitrous applications, or forced induction setups where stock components would fail. Build your dream engine with the best parts available. For professional-grade engine components, look no further than 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

Eagle 4340 Forged Crankshaft for Small Block Chevy

Unleash the potential of your Small Block Chevy with the Eagle 4340 Forged Crankshaft. Featuring a 4.000-inch stroke, this crankshaft is the ideal choice for builders aiming for increased displacement and massive torque gains. Forged from high-strength 4340 steel, this unit is designed to survive the rigors of high-RPM racing and aggressive street driving.

Key Features

  • Stroke: 4.000 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Application: Small Block Chevy
  • Quality: Precision machined for perfect fitment

The internal balance design ensures smooth operation throughout the entire RPM range, minimizing stress on your main bearings and block. By choosing a forged component over a cast alternative, you are investing in the long-term reliability of your engine build. This crankshaft is perfectly suited for high-compression builds, nitrous applications, or forced induction setups where stock components would fail. Build your dream engine with the best parts available. For professional-grade engine components, look no further than GGCRACING.

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