Most strokes are available in Standard or Pro Series Lightweight, allowing the flexibility to tailor your choice for your particular application. SCAT 4340 Forged steel crankshafts for the 454 Chevrolet block offer choices of stroke beginning at 3.766 and running up to 4.750 allowing for cubic inch displacements that begin at 440 and run up to 557 cubic inches, assuming a 4.310 bore. 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.
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. Incremental strokes run from 3.250 to 4.000 allowing for cubic inch displacements that range from 327 to 408 cubic inches Scat manufactures five distinct Crankshaft types for hundreds of applications to fit every level of performance which includes 4340, and Cast Steel in a variety of strokes. Weights available in Standard, Pro Series Lightweight, F-43 Lightweight and Superlight Light. They are perfect for high horsepower, torque and RPM and work great for all levels of power adders. For absolutely serious street and racing applications, these crankshafts are the only choice. Scat 4340 Crankshafts are machined from a premium 4340 steel and are heat treated for maximum strength and typically feature straight shot and chamfered oil holes, Nitride hardened for superior wear resistance, Lightening holes in all rod throws Large radius on all journals, Precision ground, Heat treated, shot peened, All Inspected and micro-polished at Scat.
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