Speedmaster 4340 Steel Crankshafts

Precision-ground Speedmaster 4340 Steel Crankshafts contain straight shot and shamfered oil holes, nitride hardened for superior wear resistance, lightening holes in all rod throws, large radius on all journals, precision ground and shot peened. These standard weight steel crankshafts are engineered for high horsepower street and race applications.

Features:

Made From 4340 Steel

Superior Performance