Eagle 4340 Steel Crankshaft 4.000 Stroke 58X Reluctor — Fits GM LS-Series Engines

SKU: BBPG_334740016100
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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.

Precision 58X Eagle 4340 Steel Crankshaft

Upgrade your late-model GM LS engine with the Eagle 4340 Steel Crankshaft, specifically configured with a 58X reluctor wheel for modern engine management compatibility. With a 4.000-inch stroke, this crankshaft is designed to increase displacement and torque, making it a premier choice for serious engine builders. The 4340 forged steel construction ensures that your rotating assembly can handle the demands of high-boost or high-compression setups.

Technical Specifications

  • Material: Forged 4340 Steel
  • Stroke: 4.000 inches
  • Reluctor Wheel: 58X for late-model LS compatibility
  • Balance: Internal balance
  • Seal Compatibility: 1-Piece rear main seal
  • Application: GM LS-Series engines

The 58X reluctor wheel is essential for maintaining proper ignition timing and fuel injection synchronization in newer LS platforms. This crankshaft is meticulously balanced to reduce parasitic loss and improve engine longevity. By choosing Eagle, you are investing in decades of engineering excellence designed to withstand the rigors of the track. If you are looking to build a high-output LS engine that requires modern sensor compatibility without sacrificing structural integrity, this crankshaft is the ideal solution. Find your next engine upgrade 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.

Precision 58X Eagle 4340 Steel Crankshaft

Upgrade your late-model GM LS engine with the Eagle 4340 Steel Crankshaft, specifically configured with a 58X reluctor wheel for modern engine management compatibility. With a 4.000-inch stroke, this crankshaft is designed to increase displacement and torque, making it a premier choice for serious engine builders. The 4340 forged steel construction ensures that your rotating assembly can handle the demands of high-boost or high-compression setups.

Technical Specifications

  • Material: Forged 4340 Steel
  • Stroke: 4.000 inches
  • Reluctor Wheel: 58X for late-model LS compatibility
  • Balance: Internal balance
  • Seal Compatibility: 1-Piece rear main seal
  • Application: GM LS-Series engines

The 58X reluctor wheel is essential for maintaining proper ignition timing and fuel injection synchronization in newer LS platforms. This crankshaft is meticulously balanced to reduce parasitic loss and improve engine longevity. By choosing Eagle, you are investing in decades of engineering excellence designed to withstand the rigors of the track. If you are looking to build a high-output LS engine that requires modern sensor compatibility without sacrificing structural integrity, this crankshaft is the ideal solution. Find your next engine upgrade 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.

Precision 58X Eagle 4340 Steel Crankshaft

Upgrade your late-model GM LS engine with the Eagle 4340 Steel Crankshaft, specifically configured with a 58X reluctor wheel for modern engine management compatibility. With a 4.000-inch stroke, this crankshaft is designed to increase displacement and torque, making it a premier choice for serious engine builders. The 4340 forged steel construction ensures that your rotating assembly can handle the demands of high-boost or high-compression setups.

Technical Specifications

  • Material: Forged 4340 Steel
  • Stroke: 4.000 inches
  • Reluctor Wheel: 58X for late-model LS compatibility
  • Balance: Internal balance
  • Seal Compatibility: 1-Piece rear main seal
  • Application: GM LS-Series engines

The 58X reluctor wheel is essential for maintaining proper ignition timing and fuel injection synchronization in newer LS platforms. This crankshaft is meticulously balanced to reduce parasitic loss and improve engine longevity. By choosing Eagle, you are investing in decades of engineering excellence designed to withstand the rigors of the track. If you are looking to build a high-output LS engine that requires modern sensor compatibility without sacrificing structural integrity, this crankshaft is the ideal solution. Find your next engine upgrade at GGCRACING.

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