Eagle SBC 4340 Forged Steel Crankshaft 3.875 Stroke — Fits Small Block Chevy

SKU: BBPG_435038756000
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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 Crankshaft for Small Block Chevy

Take your Small Block Chevy (SBC) to the next level with this Eagle 4340 forged steel crankshaft. Featuring a 3.875-inch stroke, this crank is designed for builders looking to increase displacement and power in their Chevy V8. Crafted from high-strength 4340 steel, it offers the durability needed for high-performance street, drag racing, and circle track applications.

Technical Specifications

  • Stroke: 3.875 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Chevy

This crankshaft is engineered for precision and longevity. The internal balance design reduces the need for heavy external weights, allowing for a smoother, more efficient rotating assembly. With its 2-piece rear main seal compatibility, it fits a wide variety of classic SBC engine blocks, making it a versatile choice for your next build. Don't settle for cast components when you can have the strength of forged steel. Trust the experts at GGCRACING to provide the high-quality engine internals you need to cross the finish line first.

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 Crankshaft for Small Block Chevy

Take your Small Block Chevy (SBC) to the next level with this Eagle 4340 forged steel crankshaft. Featuring a 3.875-inch stroke, this crank is designed for builders looking to increase displacement and power in their Chevy V8. Crafted from high-strength 4340 steel, it offers the durability needed for high-performance street, drag racing, and circle track applications.

Technical Specifications

  • Stroke: 3.875 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Chevy

This crankshaft is engineered for precision and longevity. The internal balance design reduces the need for heavy external weights, allowing for a smoother, more efficient rotating assembly. With its 2-piece rear main seal compatibility, it fits a wide variety of classic SBC engine blocks, making it a versatile choice for your next build. Don't settle for cast components when you can have the strength of forged steel. Trust the experts at GGCRACING to provide the high-quality engine internals you need to cross the finish line first.

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 Crankshaft for Small Block Chevy

Take your Small Block Chevy (SBC) to the next level with this Eagle 4340 forged steel crankshaft. Featuring a 3.875-inch stroke, this crank is designed for builders looking to increase displacement and power in their Chevy V8. Crafted from high-strength 4340 steel, it offers the durability needed for high-performance street, drag racing, and circle track applications.

Technical Specifications

  • Stroke: 3.875 inches
  • Material: 4340 Forged Steel
  • Balance: Internal Balance
  • Seal Style: 2-Piece Rear Main Seal
  • Application: Small Block Chevy

This crankshaft is engineered for precision and longevity. The internal balance design reduces the need for heavy external weights, allowing for a smoother, more efficient rotating assembly. With its 2-piece rear main seal compatibility, it fits a wide variety of classic SBC engine blocks, making it a versatile choice for your next build. Don't settle for cast components when you can have the strength of forged steel. Trust the experts at GGCRACING to provide the high-quality engine internals you need to cross the finish line first.

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