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You are here: Home > Crankshafts > Probe Industries Crankshafts > Forged 4340 Steel > Chevrolet - LS Series


Probe Industries 4340 Forged steel crankshafts for the LS1 Chevrolet block offer choices of stroke from 3.900 to 4.125 allowing for cubic inch displacements that begin at 374 and run up to 441 cubic inches, assuming a 3.905/4.125 bore. They include either a 24 or 58 tooth reluctor wheel, as required.
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Probe Industries 4340 Crankshaft Chevy LS-Series 3.900 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_3.900 Stroke_w/24T Reluctor Wheel
Price $1,025.00

P/N: 1103-10068
  • 3.900 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 24 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 3.900 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_3.900 Stroke_w/58T Reluctor Wheel
Price $1,025.00

P/N: 1103-10069
  • 3.900 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 58 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_4.000 Stroke_w/24T Reluctor Wheel
Price $1,025.00

P/N: 1103-10070
  • 4.000 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 24 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_4.000 Stroke_w/58T Reluctor Wheel
Price $1,025.00

P/N: 1103-10071
  • 4.000 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 58 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.100 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_4.100 Stroke_w/24T Reluctor Wheel
Price $1,025.00

P/N: 1103-10072
  • 4.100 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 24 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.100 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_4.100 Stroke_w/58T Reluctor Wheel
Price $1,025.00

P/N: 1103-10073
  • 4.100 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 58 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.125 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS Series_4.125 Stroke_w/Reluctor 24T Wheel
Price $1,025.00

P/N: 1103-10074
  • 4.125 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 24 tooth Reluctor Wheel
  • Internal Balance
more info
Probe Industries 4340 Crankshaft Chevy LS-Series 4.125 Stroke
Probe Industries 4340 Forged Steel Crankshaft_Chevy LS_Series_4.125 Stroke_w/Reluctor 58T Wheel
Price $1,025.00

P/N: 1103-10075
  • 4.125 Stroke
  • 6.200 Minimum Rod Length
  • 2.100 Rod Journal
  • 2.559 Main Journal
  • 58 tooth Reluctor Wheel
  • Internal Balance
more info