Scat 4340 Forged steel crankshafts for the 400 Chevrolet block offer choices of stroke beginning at 3.500 and running up to 4.000 allowing for cubic inch displacements that begin 380 and run up to 434 cubic inches. Most strokes are available in Standard, Pro Series Lightweight, or Superlight allowing the flexibility to tailor your choice for anything from a Spec Class Superlight, to a heavily boosted beast.
