Eagle 4340 Forged Crankshaft 4.250 Stroke — Fits Big Block Chevy

SKU: BBPG_445642526385
No reviews

About Eagle Eagle engineers high-quality automotive parts and accessories trusted ...Read More

Price:
Sale price$1,168.99
Add To Cart
×

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

Precision Engineering for Big Block Chevy

Elevate your Big Block Chevy engine build with the Eagle 4340 Forged Steel Crankshaft. Designed for enthusiasts who refuse to compromise on quality, this crankshaft features a 4.250-inch stroke, perfect for increasing displacement and torque in your BBC platform. Forged from high-grade 4340 steel, this component is built to endure the rigors of high-RPM racing and forced induction setups.

Technical Highlights

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance: Internal balance
  • Seal: 1-Piece rear main seal compatibility
  • Application: Big Block Chevy (BBC)
  • Precision-machined for exact tolerances

The internal balance design of this Eagle crankshaft minimizes parasitic power loss and reduces harmonic vibrations, allowing your engine to rev more freely and safely. By utilizing a 1-piece rear main seal design, this crank is compatible with modern block configurations, making it an ideal choice for both engine swaps and ground-up builds. The forged steel construction provides a superior strength-to-weight ratio, giving you peace of mind when pushing your engine to the limit on the track or the street. Every detail, from the journal finish to the counterweight profile, is optimized for performance and durability. When you need reliable engine components that deliver consistent results, look no further than our extensive catalog 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

Precision Engineering for Big Block Chevy

Elevate your Big Block Chevy engine build with the Eagle 4340 Forged Steel Crankshaft. Designed for enthusiasts who refuse to compromise on quality, this crankshaft features a 4.250-inch stroke, perfect for increasing displacement and torque in your BBC platform. Forged from high-grade 4340 steel, this component is built to endure the rigors of high-RPM racing and forced induction setups.

Technical Highlights

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance: Internal balance
  • Seal: 1-Piece rear main seal compatibility
  • Application: Big Block Chevy (BBC)
  • Precision-machined for exact tolerances

The internal balance design of this Eagle crankshaft minimizes parasitic power loss and reduces harmonic vibrations, allowing your engine to rev more freely and safely. By utilizing a 1-piece rear main seal design, this crank is compatible with modern block configurations, making it an ideal choice for both engine swaps and ground-up builds. The forged steel construction provides a superior strength-to-weight ratio, giving you peace of mind when pushing your engine to the limit on the track or the street. Every detail, from the journal finish to the counterweight profile, is optimized for performance and durability. When you need reliable engine components that deliver consistent results, look no further than our extensive catalog 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

Precision Engineering for Big Block Chevy

Elevate your Big Block Chevy engine build with the Eagle 4340 Forged Steel Crankshaft. Designed for enthusiasts who refuse to compromise on quality, this crankshaft features a 4.250-inch stroke, perfect for increasing displacement and torque in your BBC platform. Forged from high-grade 4340 steel, this component is built to endure the rigors of high-RPM racing and forced induction setups.

Technical Highlights

  • Material: 4340 Forged Steel
  • Stroke: 4.250 inches
  • Balance: Internal balance
  • Seal: 1-Piece rear main seal compatibility
  • Application: Big Block Chevy (BBC)
  • Precision-machined for exact tolerances

The internal balance design of this Eagle crankshaft minimizes parasitic power loss and reduces harmonic vibrations, allowing your engine to rev more freely and safely. By utilizing a 1-piece rear main seal design, this crank is compatible with modern block configurations, making it an ideal choice for both engine swaps and ground-up builds. The forged steel construction provides a superior strength-to-weight ratio, giving you peace of mind when pushing your engine to the limit on the track or the street. Every detail, from the journal finish to the counterweight profile, is optimized for performance and durability. When you need reliable engine components that deliver consistent results, look no further than our extensive catalog at GGCRACING.

DRIVERS Also Bought

Recently viewed