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Callies BBC Magnum 4340 Forged Crankshaft 4.750 Stroke

Callies BBC Magnum 4340 Forged Crankshaft 4.750 Stroke
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Callies BBC Magnum 4340 Forged Crankshaft 4.750 Stroke
Callies

Callies BBC Magnum 4340 Forged Crankshaft 4.750 Stroke

SKU: GBTB_BBS-42B-MG
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About Callies Callies engineers high-quality automotive parts and accessories trusted ...Read More

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$3,158.00
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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
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Callies

Callies engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Callies lineup with fast shipping and expert fitment support — order with confidence.

Callies BBC Magnum 4340 Forged Crankshaft - 4.750" Stroke

Unleash the full potential of your Big Block Chevy (BBC) engine with the Callies BBC Magnum 4340 Forged Crankshaft. This powerhouse crankshaft is engineered for extreme performance, offering unmatched strength and durability for the most demanding applications.

Key Features:

  • 4340 Forged Steel: Provides exceptional tensile strength and fatigue resistance for high-stress environments.
  • 4.750" Stroke: A substantial stroke length designed to maximize displacement and torque in BBC engines.
  • Internal Balance: Simplifies engine assembly and enhances smoothness by allowing for counterweight optimization.
  • 2-Piece Rear Main Seal: A traditional and reliable seal configuration for BBC applications.
  • Forged Construction: Delivers superior robustness compared to cast cranks, essential for boosted or high-RPM racing engines.
  • Magnum Series: Built to handle extreme horsepower and torque figures.

The Callies Magnum crankshaft is the ultimate choice for serious engine builders aiming for record-breaking performance. Whether you're building a drag racing machine, a powerful street rod, or a competitive circle track engine, this crankshaft provides the reliable foundation you need. Its precision manufacturing ensures optimal performance and longevity.

Build with confidence. Get the Callies BBC Magnum Crankshaft at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Callies

Callies engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Callies lineup with fast shipping and expert fitment support — order with confidence.

Callies BBC Magnum 4340 Forged Crankshaft - 4.750" Stroke

Unleash the full potential of your Big Block Chevy (BBC) engine with the Callies BBC Magnum 4340 Forged Crankshaft. This powerhouse crankshaft is engineered for extreme performance, offering unmatched strength and durability for the most demanding applications.

Key Features:

  • 4340 Forged Steel: Provides exceptional tensile strength and fatigue resistance for high-stress environments.
  • 4.750" Stroke: A substantial stroke length designed to maximize displacement and torque in BBC engines.
  • Internal Balance: Simplifies engine assembly and enhances smoothness by allowing for counterweight optimization.
  • 2-Piece Rear Main Seal: A traditional and reliable seal configuration for BBC applications.
  • Forged Construction: Delivers superior robustness compared to cast cranks, essential for boosted or high-RPM racing engines.
  • Magnum Series: Built to handle extreme horsepower and torque figures.

The Callies Magnum crankshaft is the ultimate choice for serious engine builders aiming for record-breaking performance. Whether you're building a drag racing machine, a powerful street rod, or a competitive circle track engine, this crankshaft provides the reliable foundation you need. Its precision manufacturing ensures optimal performance and longevity.

Build with confidence. Get the Callies BBC Magnum Crankshaft at GGCRACING.

Product Details

Product Description

About Callies

Callies engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Callies lineup with fast shipping and expert fitment support — order with confidence.

Callies BBC Magnum 4340 Forged Crankshaft - 4.750" Stroke

Unleash the full potential of your Big Block Chevy (BBC) engine with the Callies BBC Magnum 4340 Forged Crankshaft. This powerhouse crankshaft is engineered for extreme performance, offering unmatched strength and durability for the most demanding applications.

Key Features:

  • 4340 Forged Steel: Provides exceptional tensile strength and fatigue resistance for high-stress environments.
  • 4.750" Stroke: A substantial stroke length designed to maximize displacement and torque in BBC engines.
  • Internal Balance: Simplifies engine assembly and enhances smoothness by allowing for counterweight optimization.
  • 2-Piece Rear Main Seal: A traditional and reliable seal configuration for BBC applications.
  • Forged Construction: Delivers superior robustness compared to cast cranks, essential for boosted or high-RPM racing engines.
  • Magnum Series: Built to handle extreme horsepower and torque figures.

The Callies Magnum crankshaft is the ultimate choice for serious engine builders aiming for record-breaking performance. Whether you're building a drag racing machine, a powerful street rod, or a competitive circle track engine, this crankshaft provides the reliable foundation you need. Its precision manufacturing ensures optimal performance and longevity.

Build with confidence. Get the Callies BBC Magnum Crankshaft at GGCRACING.

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