Magnum XL Crankshaft

The Callies Magnum XL crankshaft is engineered for LS-1 GM Small Block engines, offering a robust solution for performance builds. This crankshaft features a 3.325-inch stroke, a 2.100-inch pin size, and a 2.559-inch main size, providing a solid foundation for increased displacement and power. The Magnum XL series is known for its durable construction and ability to minimize windage within the crankcase atmosphere, contributing to improved oil control. This particular model, AWZ-31V-XL, benefits from Callies' Ultra-Case nitride treatment, enhancing its surface hardness and wear resistance. The crankshaft has an available weight range of 34 lb. to 47 lb., allowing for fine-tuning of engine balance.