SBC F-43 Forged Crank - 3.480 Stroke

The SCAT ENTERPRISES SBC F-43 Forged Crank with 3.480 stroke is a precision-forged crankshaft engineered for small block Chevy engine builds demanding durability and reliability. Built from forged steel and designed with internal balance geometry, this crankshaft provides the stroke length critical for displacement and torque characteristics in performance and rebuild applications. The 3.480-inch stroke positions this F-43 series crank as a versatile choice for both street engines and competition platforms where predictable power delivery and component longevity matter.

The forged steel construction delivers superior material strength compared to cast alternatives, critical for engines operating under sustained rpm and load cycles. Internal balance design reduces harmonics throughout the rpm band and minimizes stress concentrations at the crank journals. The 2-piece seal configuration provides a wet-sump compatible sealing surface for standard small block Chevy oil pump and pan setups. At 46.42 pounds, the crank weight reflects the material density required for forged reliability. The 3.480-inch stroke determines piston travel distance, directly influencing displacement when paired with the appropriate bore diameter and engine block.

This crank suits builders constructing 350 cubic inch small block Chevy engines or modifying existing blocks for increased displacement. Engine builders selecting stroke length optimize for torque peak rpm, drivability characteristics, and compatibility with intake and cylinder head combinations. The F-43 designation reflects SCAT's forged crank platform, a recognized specification in the small block Chevy aftermarket. Proper installation requires balanced rotating assembly work, correct journal clearances, and compatible connecting rods and pistons matched to this stroke specification.