SCAT CHRYSLER FORGED 4340 SUPER LIGHTWEIGHT CRANKSHAFTS are made from the same strong aircraft quality forging as SCAT's standard weight cranks, but with profiled counterweights for less weight and reduced windage . . .They are Perfect for engines wanting quicker rpm's.

Features Include: Profiled aero-wing counterweights, Straight shot & chamfered oil holes, Nitride hardened for superior wear reisistance, Lightening holes in all rod throws, Large radius on all journals, and are CNC machined for absolute tolerances and symmetry.