Marine Crankshaft

Our crankshafts are manufactured totally in Santa Ana, California, USA from the best quality E4340 Aircraft quality Cr-Ni-Mo alloy billet steel. Triple heat treated for extreme strength, toughness & durability. All crankshafts feature: High speed straight line oiling system; Dynamic no holes balance. Through pin lightening holes; Ion-plasma nitride for superior journal surface hardness & wear resistance. We can manufacture crankshafts to almost any custom stroke, journal dimension combination desired.