
Standard Weight 4340 Steel Crankshaft Chevy Small Block
- Standard Weight 4340 Steel Crankshaft
- Chevy Small Block
- 400 Main Journals
- 2-Piece Rear Main Seal
- 3.750'' Stroke for use with 5.700'' Rod
- 2.100" Rod Pin Diameter
- Internal Balance
- 54 lbs.
Forged Crankshafts
Each standard-weight crankshaft is forged from 4340 steel and includes micro-polished journals. Scat crankshafts are all nitride-hardened to increase strength and longevity. All of the rod journals have lighting holes, and there are also straight-shot oil holes. Ideal for powerful street, race, and High-compression applications, handling the power easily.
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Scat has been manufacturing and distributing crankshafts, connecting rods, and engine components for over fifty years. The tradition continues today 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.








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