Scat Forged 4340 Pro Series Lightweight Crankshafts

Nitride hardened to increase strength and longevity, these lightweight crankshafts have the same innovations as Scat's Standard Weight Series yet feature profiled counterweights to reduce weight for more horsepower. They're forged from 4340 steel with lightening holes in all rod journals and straight shot oil holes. Ideal for engines that need a quicker RPM curve.

CNC machined for absolute tolerances and symmetry for ease of balance and for reduced rotating weight

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Scat has been manufacturing and distributing crankshafts, connecting rods, and engine components for more than fifty years. The tradition continues to this day with a 42,000 sq/ft facility in Redondo Beach, California. Quality is the first step in all Scat products... skilled craftsmen, superior materials, innovation, and dedication create the absolute best parts for you.