4340 FORGED STANDARD WEIGHT This is SCAT’s standard weight forged crankshaft. Designed for street or race engines with substantial increased horsepower.
4340 FORGED LIGHTWEIGHT PRO COMP This crank is made from the same strong aircraft quality forging as the standard 4340 forged crank, but with profiled counterweights for less weight. It’s perfect for engines wanting quicker RPM’s.