Eagle Chevy 409 4340 Forged Crank 4.000 Stroke — GM W-Series

SKU: BBPG_440940026135
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Sale price$1,281.99
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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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Premium Forged Crankshaft for GM W-Series 409

The legendary Chevy 409 deserves the best components to keep it running strong. This Eagle 4340 Forged Steel Crankshaft is specifically designed for the GM W-Series engine, offering a 4.000-inch stroke for improved performance and reliability. Whether you are restoring a classic or building a period-correct hot rod, this forged crank provides the strength required for modern power levels.

Key Features

  • Application: GM W-Series (Chevy 409)
  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal balance
  • Seal: 2-piece rear main seal

Forged from high-quality 4340 steel, this crankshaft is built to handle the unique demands of the W-Series architecture. The internal balance design ensures smooth operation throughout the power band, reducing engine wear and improving throttle response. This is an essential upgrade for any 409 build that sees more than just show-car duty, providing the peace of mind that comes with high-strength forged components. Its precise machining ensures a direct fit, allowing for a straightforward installation process in your classic GM engine. Trust GGCRACING for all your specialized engine component needs and keep your classic Chevy performing at its peak.

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

Premium Forged Crankshaft for GM W-Series 409

The legendary Chevy 409 deserves the best components to keep it running strong. This Eagle 4340 Forged Steel Crankshaft is specifically designed for the GM W-Series engine, offering a 4.000-inch stroke for improved performance and reliability. Whether you are restoring a classic or building a period-correct hot rod, this forged crank provides the strength required for modern power levels.

Key Features

  • Application: GM W-Series (Chevy 409)
  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal balance
  • Seal: 2-piece rear main seal

Forged from high-quality 4340 steel, this crankshaft is built to handle the unique demands of the W-Series architecture. The internal balance design ensures smooth operation throughout the power band, reducing engine wear and improving throttle response. This is an essential upgrade for any 409 build that sees more than just show-car duty, providing the peace of mind that comes with high-strength forged components. Its precise machining ensures a direct fit, allowing for a straightforward installation process in your classic GM engine. Trust GGCRACING for all your specialized engine component needs and keep your classic Chevy performing at its peak.

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

Premium Forged Crankshaft for GM W-Series 409

The legendary Chevy 409 deserves the best components to keep it running strong. This Eagle 4340 Forged Steel Crankshaft is specifically designed for the GM W-Series engine, offering a 4.000-inch stroke for improved performance and reliability. Whether you are restoring a classic or building a period-correct hot rod, this forged crank provides the strength required for modern power levels.

Key Features

  • Application: GM W-Series (Chevy 409)
  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal balance
  • Seal: 2-piece rear main seal

Forged from high-quality 4340 steel, this crankshaft is built to handle the unique demands of the W-Series architecture. The internal balance design ensures smooth operation throughout the power band, reducing engine wear and improving throttle response. This is an essential upgrade for any 409 build that sees more than just show-car duty, providing the peace of mind that comes with high-strength forged components. Its precise machining ensures a direct fit, allowing for a straightforward installation process in your classic GM engine. Trust GGCRACING for all your specialized engine component needs and keep your classic Chevy performing at its peak.

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