Eagle 4340 Forged Crankshaft 4.500 Stroke — Fits Mopar RB-Series & 426 Hemi

SKU: BBPG_444245007100
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Sale price$1,177.99
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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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Ultimate Strength for Mopar Performance

Unlock superior durability for your Mopar RB-Series or 426 Hemi engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for high-horsepower applications, this 4.500-inch stroke crankshaft is precision-machined to withstand the extreme stresses of racing and high-performance street use. Its forged construction offers significantly higher fatigue resistance compared to cast alternatives, ensuring your rotating assembly remains reliable under load.

Key Technical Specifications

  • Material: 4340 Forged Steel for maximum strength
  • Stroke: 4.500 inches
  • Balance: Internal balance design
  • Seal Type: 2-Piece rear main seal
  • Flange: 8-Bolt pattern for high-torque applications
  • Application: Mopar RB-Series and 426 Hemi engines

This crankshaft is designed for builders who demand precision and longevity. The internal balance configuration reduces vibration and stress on engine bearings, promoting a smoother power delivery throughout the RPM range. Whether you are building a drag strip monster or a high-output street machine, this Eagle crankshaft provides the structural foundation required for consistent performance. The 8-bolt flange ensures a secure connection to your flywheel or flexplate, preventing common failure points found in lower-grade components. Experience the difference that professional-grade metallurgy makes in your engine build. Find all your essential engine internals and rotating assembly components right here 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

Ultimate Strength for Mopar Performance

Unlock superior durability for your Mopar RB-Series or 426 Hemi engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for high-horsepower applications, this 4.500-inch stroke crankshaft is precision-machined to withstand the extreme stresses of racing and high-performance street use. Its forged construction offers significantly higher fatigue resistance compared to cast alternatives, ensuring your rotating assembly remains reliable under load.

Key Technical Specifications

  • Material: 4340 Forged Steel for maximum strength
  • Stroke: 4.500 inches
  • Balance: Internal balance design
  • Seal Type: 2-Piece rear main seal
  • Flange: 8-Bolt pattern for high-torque applications
  • Application: Mopar RB-Series and 426 Hemi engines

This crankshaft is designed for builders who demand precision and longevity. The internal balance configuration reduces vibration and stress on engine bearings, promoting a smoother power delivery throughout the RPM range. Whether you are building a drag strip monster or a high-output street machine, this Eagle crankshaft provides the structural foundation required for consistent performance. The 8-bolt flange ensures a secure connection to your flywheel or flexplate, preventing common failure points found in lower-grade components. Experience the difference that professional-grade metallurgy makes in your engine build. Find all your essential engine internals and rotating assembly components right here 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

Ultimate Strength for Mopar Performance

Unlock superior durability for your Mopar RB-Series or 426 Hemi engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for high-horsepower applications, this 4.500-inch stroke crankshaft is precision-machined to withstand the extreme stresses of racing and high-performance street use. Its forged construction offers significantly higher fatigue resistance compared to cast alternatives, ensuring your rotating assembly remains reliable under load.

Key Technical Specifications

  • Material: 4340 Forged Steel for maximum strength
  • Stroke: 4.500 inches
  • Balance: Internal balance design
  • Seal Type: 2-Piece rear main seal
  • Flange: 8-Bolt pattern for high-torque applications
  • Application: Mopar RB-Series and 426 Hemi engines

This crankshaft is designed for builders who demand precision and longevity. The internal balance configuration reduces vibration and stress on engine bearings, promoting a smoother power delivery throughout the RPM range. Whether you are building a drag strip monster or a high-output street machine, this Eagle crankshaft provides the structural foundation required for consistent performance. The 8-bolt flange ensures a secure connection to your flywheel or flexplate, preventing common failure points found in lower-grade components. Experience the difference that professional-grade metallurgy makes in your engine build. Find all your essential engine internals and rotating assembly components right here at GGCRACING.

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