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You are here: Home > Crankshafts > Probe Industries Crankshafts > Forged 4340 Steel > Chevrolet - Big Block


Probe Industries 4340 Forged steel crankshafts for the 454 Chevrolet block offer choices of stroke beginning at 4.00 and ending at 4.750 allowing for cubic inch displacements that begin at 454 and run up to 554 cubic inches, assuming a 4.310 bore.
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Probe Industries 4340 Crankshaft Chevy 454 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.000 Stroke
Price $925.00

P/N: 1103-10057
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.000 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.000 Stroke
Price $925.00

P/N: 1103-10058
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 1-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.250 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.250 Stroke
Price $925.00

P/N: 1103-10059
  • 4.250 Stroke
  • 6.385 Min. Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.250" Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.250 Stroke
Price $925.00

P/N: 1103-10061
  • 4.250 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 1-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.250 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.250 Stroke - w/Center Counterweight
Price $1,000.00

P/N: 1103-10060
  • Full Center Counterweight
  • 4.250 Stroke
  • 6.385 Min. Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.375 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.375 Stroke
Price $925.00

P/N: 1103-10062
  • 4.375 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.500 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.500 Stroke
Price $925.00

P/N: 1103-10063
  • 4.500 Stroke
  • 6.535 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.500 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.500 Stroke
Price $925.00

P/N: 1103-10065
  • 4.500 Stroke
  • 6.535 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 1-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.500 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.500 Stroke - w/Center Counterweight
Price $1,000.00

P/N: 1103-10064
  • 4.500 Stroke
  • 6.535 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Full Center Counterweight
  • 2-piece Rear Main Seal
  • Internal Balance
Probe Industries 4340 Crankshaft Chevy 454 4.750 Stroke
Probe Industries 4340 Forged Steel Crankshaft - Chevy 454 - 4.750 Stroke
Price $925.00

P/N: 1103-10066
  • 4.750 Stroke
  • 6.700 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • 2-piece Rear Main Seal
  • Internal Balance