Eagle Cast Steel Crankshaft 4.250 Stroke — Fits Big Block Chevy BBC

SKU: BBPG_104544250
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Sale price$478.99
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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.

Watch in action

Big Block Chevy Power Upgrade

Take your Big Block Chevy engine to the next level with the Eagle 4.250-inch stroke cast steel crankshaft. Designed for builders who want to maximize displacement and torque, this crankshaft is a cost-effective solution for street performance and moderate racing builds. Crafted from high-quality cast iron, it provides the necessary strength to handle increased power output while maintaining excellent value.

Technical Specifications

  • Material: Cast Iron
  • Stroke: 4.250 inches
  • Balance: External Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Compatibility: Big Block Chevy (BBC)
  • Construction: Precision Cast

This crankshaft features precision-machined journals to ensure optimal oil clearance and smooth engine operation. The 4.250-inch stroke significantly increases the displacement of your Big Block, resulting in a noticeable gain in low-end torque and overall power. Designed to be compatible with a 2-piece rear main seal, this unit is a versatile choice for a wide range of BBC engine blocks. Each crankshaft undergoes rigorous quality control to ensure it meets the high standards required for your performance engine. Build your dream engine with reliable components sourced from 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

Big Block Chevy Power Upgrade

Take your Big Block Chevy engine to the next level with the Eagle 4.250-inch stroke cast steel crankshaft. Designed for builders who want to maximize displacement and torque, this crankshaft is a cost-effective solution for street performance and moderate racing builds. Crafted from high-quality cast iron, it provides the necessary strength to handle increased power output while maintaining excellent value.

Technical Specifications

  • Material: Cast Iron
  • Stroke: 4.250 inches
  • Balance: External Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Compatibility: Big Block Chevy (BBC)
  • Construction: Precision Cast

This crankshaft features precision-machined journals to ensure optimal oil clearance and smooth engine operation. The 4.250-inch stroke significantly increases the displacement of your Big Block, resulting in a noticeable gain in low-end torque and overall power. Designed to be compatible with a 2-piece rear main seal, this unit is a versatile choice for a wide range of BBC engine blocks. Each crankshaft undergoes rigorous quality control to ensure it meets the high standards required for your performance engine. Build your dream engine with reliable components sourced from 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

Big Block Chevy Power Upgrade

Take your Big Block Chevy engine to the next level with the Eagle 4.250-inch stroke cast steel crankshaft. Designed for builders who want to maximize displacement and torque, this crankshaft is a cost-effective solution for street performance and moderate racing builds. Crafted from high-quality cast iron, it provides the necessary strength to handle increased power output while maintaining excellent value.

Technical Specifications

  • Material: Cast Iron
  • Stroke: 4.250 inches
  • Balance: External Balance
  • Seal Type: 2-Piece Rear Main Seal
  • Compatibility: Big Block Chevy (BBC)
  • Construction: Precision Cast

This crankshaft features precision-machined journals to ensure optimal oil clearance and smooth engine operation. The 4.250-inch stroke significantly increases the displacement of your Big Block, resulting in a noticeable gain in low-end torque and overall power. Designed to be compatible with a 2-piece rear main seal, this unit is a versatile choice for a wide range of BBC engine blocks. Each crankshaft undergoes rigorous quality control to ensure it meets the high standards required for your performance engine. Build your dream engine with reliable components sourced from GGCRACING.

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