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.