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You are here: Home > Crankshafts > Probe Industries Crankshafts > Forged 4340 Steel > Chevrolet 400


Probe Industries 4340 Forged steel crankshafts for the 4000 Chevrolet block offer choices of stroke 3.750. 3.875, and 4.000, allowing for cubic inch displacements that begin at 406 and run up to 434 cubic inches, assuming a 4.155 bore. Most strokes are available in Standard or Lightweight, allowing the flexibility to tailor your choice for your particular application.
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Probe Industries 4340 Crankshaft Chevy 400 3.750 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chev 400 - 3.750 Stroke
Price $770.00

P/N: 1103-10054
  • 3.750 Stroke
  • 5.700 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.649 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
Probe Industries 4340 Crankshaft Chevy 400 3.875 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chev 400 - 3.875 Stroke
Price $770.00

P/N: 1103-10055
  • 3.875 Stroke
  • 6.000 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.649 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
Probe Industries 4340 Crankshaft Chevy 400 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chev 400 - 4.000 Stroke
Price $770.00

P/N: 1103-10056
  • 4.000 Stroke
  • 5.700 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.649 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
Probe Industries 4340 Crankshaft Chevy 400 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chev 400 - 4.000-Stroke - Lightweight
Price $840.00

P/N: 1103-10053
Lightweight
  • 4.000 Stroke
  • 6.000 Minimum Rod Length
  • 2.000 Rod Journal
  • 2.649 Main Journal
  • Lightweight (47 lbs)
  • Internal Balance
  • 2-piece Rear Main Seal