Callies SAM-11A-MG SBC 4340 Forged Magnum Crankshaft with 3.875 Inch Stroke

The Callies SAM-11A-MG is a high-performance SBC forged crankshaft designed for small block Chevy engines. Crafted from durable 4340 forged steel, this crankshaft offers exceptional strength and longevity for demanding applications. Its 3.875-inch stroke provides increased displacement and torque, making it suitable for racing, street performance, and custom builds. The crank features an internal balance and a two-piece rear seal, ensuring smooth operation and ease of installation. With 350 main bearing journals, it is engineered to fit a range of SBC configurations, offering reliable performance under high stress conditions.

Features:

• Material: 4340 forged steel for durability and strength

• Stroke: 3.875 inches for increased engine displacement

• Design: Internal balance for smooth operation

• Seal Type: Two-piece rear seal for secure sealing

• Main Bearings: 350 main journals for compatibility with SBC engines