SBC 4340 Forged Crank - 3.750 Stroke

Scat's quality 4340 Forged Steel Crankshafts for small block Chevrolets are nitride hardened, straightened and feature large fillit radii on all journals for increased lubrication, lightening holes in all rod journals, and counterweights for 5.7" and 6" connecting rods. Each crank has straight shot, back-drilled oiling for maximum efficiency. Available in standard, lightweight and superlight models. Lightweight cranks are knife-eddged and profiled for weight reduction. Superlight cranks, which weigh just 44 lbs. Feature pendulum undercut airplane design counterweights for additional weight reduction. All cranks are micropolished and inspected prior to shipment.