Eagle 4340 Forged Steel Crankshaft 3.400 Stroke — Fits Small Block Ford

SKU: BBPG_430234025400
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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 Steel SBF Crankshaft

For engines that demand the ultimate in strength and reliability, the Eagle 4340 forged steel crankshaft is the premier choice for Small Block Ford enthusiasts. Forged from high-quality 4340 steel, this crankshaft is designed to withstand the extreme stresses of forced induction, nitrous, or high-RPM racing environments. If you are building a serious performance engine, this is the foundation you need.

Technical Specifications

  • Stroke: 3.400 inches
  • Material: 4340 Forged Steel
  • Balance: Internal balance
  • Seal Compatibility: Fits 1 or 2-piece rear main seals
  • Application: Small Block Ford (SBF)

The 4340 forged construction provides superior fatigue resistance compared to cast or standard steel units, ensuring your engine holds up under heavy loads. The 3.400-inch stroke is a popular choice for performance builds, offering a great balance of torque and power potential. With an internal balance design, this crankshaft minimizes vibrations, protecting your bearings and other rotating components during high-speed operation. This unit is precision-machined to exacting tolerances, ensuring a perfect fit and long service life. Upgrade your SBF to professional-grade hardware and enjoy the peace of mind that comes with using top-tier components. Find this and other high-performance engine parts for your next project 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

Eagle 4340 Forged Steel SBF Crankshaft

For engines that demand the ultimate in strength and reliability, the Eagle 4340 forged steel crankshaft is the premier choice for Small Block Ford enthusiasts. Forged from high-quality 4340 steel, this crankshaft is designed to withstand the extreme stresses of forced induction, nitrous, or high-RPM racing environments. If you are building a serious performance engine, this is the foundation you need.

Technical Specifications

  • Stroke: 3.400 inches
  • Material: 4340 Forged Steel
  • Balance: Internal balance
  • Seal Compatibility: Fits 1 or 2-piece rear main seals
  • Application: Small Block Ford (SBF)

The 4340 forged construction provides superior fatigue resistance compared to cast or standard steel units, ensuring your engine holds up under heavy loads. The 3.400-inch stroke is a popular choice for performance builds, offering a great balance of torque and power potential. With an internal balance design, this crankshaft minimizes vibrations, protecting your bearings and other rotating components during high-speed operation. This unit is precision-machined to exacting tolerances, ensuring a perfect fit and long service life. Upgrade your SBF to professional-grade hardware and enjoy the peace of mind that comes with using top-tier components. Find this and other high-performance engine parts for your next project 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

Eagle 4340 Forged Steel SBF Crankshaft

For engines that demand the ultimate in strength and reliability, the Eagle 4340 forged steel crankshaft is the premier choice for Small Block Ford enthusiasts. Forged from high-quality 4340 steel, this crankshaft is designed to withstand the extreme stresses of forced induction, nitrous, or high-RPM racing environments. If you are building a serious performance engine, this is the foundation you need.

Technical Specifications

  • Stroke: 3.400 inches
  • Material: 4340 Forged Steel
  • Balance: Internal balance
  • Seal Compatibility: Fits 1 or 2-piece rear main seals
  • Application: Small Block Ford (SBF)

The 4340 forged construction provides superior fatigue resistance compared to cast or standard steel units, ensuring your engine holds up under heavy loads. The 3.400-inch stroke is a popular choice for performance builds, offering a great balance of torque and power potential. With an internal balance design, this crankshaft minimizes vibrations, protecting your bearings and other rotating components during high-speed operation. This unit is precision-machined to exacting tolerances, ensuring a perfect fit and long service life. Upgrade your SBF to professional-grade hardware and enjoy the peace of mind that comes with using top-tier components. Find this and other high-performance engine parts for your next project at GGCRACING.

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