Eagle SBM 4340 Forged Crankshaft 4.000 Stroke — Fits Small Block Mopar

SKU: BBPG_436040006123
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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.

High-Performance Eagle SBM Forged Crankshaft

Unlock the full potential of your Small Block Mopar engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for enthusiasts who demand reliability under extreme pressure, this 4.000-inch stroke crankshaft is built to withstand high-horsepower applications. Whether you are building a street machine or a dedicated track car, this component provides the structural integrity necessary for aggressive engine builds.

Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Mopar (SBM)

The precision-machined journals ensure smooth rotation and consistent oil clearance, reducing friction and heat buildup during high-RPM operation. By utilizing forged 4340 steel, Eagle ensures that this crankshaft resists twisting and fatigue far better than factory cast units. This is the ideal foundation for any stroker kit or high-compression build aiming for longevity and consistent power delivery. Every component is inspected for quality to meet the strict standards required for competitive racing environments. Trust your engine build to the industry-leading quality found 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.

High-Performance Eagle SBM Forged Crankshaft

Unlock the full potential of your Small Block Mopar engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for enthusiasts who demand reliability under extreme pressure, this 4.000-inch stroke crankshaft is built to withstand high-horsepower applications. Whether you are building a street machine or a dedicated track car, this component provides the structural integrity necessary for aggressive engine builds.

Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Mopar (SBM)

The precision-machined journals ensure smooth rotation and consistent oil clearance, reducing friction and heat buildup during high-RPM operation. By utilizing forged 4340 steel, Eagle ensures that this crankshaft resists twisting and fatigue far better than factory cast units. This is the ideal foundation for any stroker kit or high-compression build aiming for longevity and consistent power delivery. Every component is inspected for quality to meet the strict standards required for competitive racing environments. Trust your engine build to the industry-leading quality found 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.

High-Performance Eagle SBM Forged Crankshaft

Unlock the full potential of your Small Block Mopar engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for enthusiasts who demand reliability under extreme pressure, this 4.000-inch stroke crankshaft is built to withstand high-horsepower applications. Whether you are building a street machine or a dedicated track car, this component provides the structural integrity necessary for aggressive engine builds.

Technical Specifications

  • Material: 4340 Forged Steel
  • Stroke: 4.000 inches
  • Balance: Internal
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Mopar (SBM)

The precision-machined journals ensure smooth rotation and consistent oil clearance, reducing friction and heat buildup during high-RPM operation. By utilizing forged 4340 steel, Eagle ensures that this crankshaft resists twisting and fatigue far better than factory cast units. This is the ideal foundation for any stroker kit or high-compression build aiming for longevity and consistent power delivery. Every component is inspected for quality to meet the strict standards required for competitive racing environments. Trust your engine build to the industry-leading quality found at GGCRACING.

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