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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.
Take your Big Block Chevy to the next level with the Callies Magnum 4340 Forged Crankshaft. Featuring a 4.250-inch stroke, this component is designed to maximize displacement and torque, providing the aggressive power delivery needed for competitive racing. Built from premium 4340 steel, the Magnum series is engineered to withstand extreme cylinder pressures and high RPM operation.
The Magnum series represents the pinnacle of crankshaft design, featuring advanced counterweight profiles and superior surface finishes to reduce friction and oil windage. The internal balance configuration is essential for maintaining engine integrity under heavy load, while the 2-piece rear main seal compatibility ensures broad application across various BBC block generations. This crankshaft is the ideal choice for builders looking to combine increased stroke with the legendary durability of Callies engineering. Elevate your engine's performance potential with the best components available at GGCRACING.
Other popular Callies products customers consider together:
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.
Take your Big Block Chevy to the next level with the Callies Magnum 4340 Forged Crankshaft. Featuring a 4.250-inch stroke, this component is designed to maximize displacement and torque, providing the aggressive power delivery needed for competitive racing. Built from premium 4340 steel, the Magnum series is engineered to withstand extreme cylinder pressures and high RPM operation.
The Magnum series represents the pinnacle of crankshaft design, featuring advanced counterweight profiles and superior surface finishes to reduce friction and oil windage. The internal balance configuration is essential for maintaining engine integrity under heavy load, while the 2-piece rear main seal compatibility ensures broad application across various BBC block generations. This crankshaft is the ideal choice for builders looking to combine increased stroke with the legendary durability of Callies engineering. Elevate your engine's performance potential with the best components available at GGCRACING.
Other popular Callies products customers consider together:
