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When your Big Block Chevy project requires the absolute best in rotating assembly technology, the Callies Magnum 4340 Forged Crankshaft is the gold standard. Designed for extreme duty, this 4.000-inch stroke crankshaft offers unmatched torsional rigidity and fatigue resistance, making it the preferred choice for serious drag racing and high-performance street applications.
The Magnum series is renowned for its superior metallurgy and precision heat treatment, providing a crankshaft that stands up to the most demanding conditions. With an internal balance design, you can expect smoother operation and decreased bearing wear. This unit is specifically configured for 2-piece rear main seal blocks, ensuring a perfect fit for classic and modern BBC builds. Whether you are building a blown engine or a high-compression naturally aspirated monster, this crankshaft provides the foundation you need for success. Trust your engine build to the experts at GGCRACING.
When your Big Block Chevy project requires the absolute best in rotating assembly technology, the Callies Magnum 4340 Forged Crankshaft is the gold standard. Designed for extreme duty, this 4.000-inch stroke crankshaft offers unmatched torsional rigidity and fatigue resistance, making it the preferred choice for serious drag racing and high-performance street applications.
The Magnum series is renowned for its superior metallurgy and precision heat treatment, providing a crankshaft that stands up to the most demanding conditions. With an internal balance design, you can expect smoother operation and decreased bearing wear. This unit is specifically configured for 2-piece rear main seal blocks, ensuring a perfect fit for classic and modern BBC builds. Whether you are building a blown engine or a high-compression naturally aspirated monster, this crankshaft provides the foundation you need for success. Trust your engine build to the experts at GGCRACING.
