In stock
Part Number
SC445442506385
$1,985.50
In stock

Forged 4340 Standard Weight Crankshaft
BB Chevy, 4.250" Stroke, use 6.385" Rods

Designed for street or race engines with substantially increased horsepower

  • 4.250" Stroke.
  • 6.385" Rod length.
  • 2.200" Big end journal size.
  • Weight: 70 lbs.
  • Internal Balance.
  • Designed and engineered by SCAT in Redondo Beach, CA
  • Inspected & micro polished at SCAT in Redondo Beach, CA
  • Straight shot & chamfered oil holes
  • Nitride hardened for superior wear resistance
  • Lightening holes in all rod throws
  • Large radius on all journals.
  • Precision ground, heat treated & shot peened

Scat forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower. Scat crankshafts are precision-ground, heat-treated, shot-peened, inspected, and micro-polished at Scat for superior tolerance control. Scat crankshafts are also nitride-hardened for superior wear resistance, have straight-shot and chamfered oil holes, and feature lightening holes in all rod throws. These crankshafts also have a large radius on all journals for improved strength and wear resistance.

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