Scat Engine Components 4H891-2 Engine Crankshaft

Forged Crankshaft
ProComp Lightweight

4340 FORGED STANDARD WEIGHT
This is SCATs standard weight forged crankshaft. Designed for street or race engines with substantial increased horsepower.

• Straight shot and chamfered oil holes.
• Nitride hardened for superior wear resistance.
• .125 radius on all journals.
• Precision ground, heat treated, shot peened, inspected and micropolished in the U.S.A.
• Standard strokes are 89mm, 92mm, 95mm, 97mmand 98mm strokes other strokes also available.
• 4340 forged material for superior strength.

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. Its perfect for engines wanting quicker RPMs.

• Aero-wing counterweights increase horsepower by reducing windage.
• Straight shot and chamfered oil holes.
• Nitride hardened for superior wear resistance.
• .140 radius on all journals.
• Stress relieved and shot peened.
• Standard strokes are 89mm, 92mm, 95mm, 97mm and 98mm strokes other strokes also available.
• CNC machined for absolute tolerances and symmetry for ease of balance.