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You are here: Home > Crankshafts > Molnar Crankshafts > Chevrolet - Big Block


Molnar Technologies offers a large assortment of crankshaft models for the Big Block Chevrolet. Featuring stock stroke in addition to several stroker crank sizes to increase engine displacement. Molnar Technologies superior crankshafts are extremely strong, are precision machined high performance parts and can be used in anything from a high performance street car to an all out competition vehicle.

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Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.000 Stroke_2.200 Journal_6.135 Rod_1 piece_Internal
Price $980.00

P/N: MOL-454-4000DC6F-OPS-6135
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.000 Stroke_2.200 Journal_6.135 Rod_2 piece_Internal
Price $980.00

P/N: MOL-454-4000DC6F-6135
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.250 Stroke_2.200 Journal_6.135 Rod_1 piece_Internal
Price $980.00

P/N: MOL-454-4250DC6F-6135
  • 4.250 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.250 Stroke_2.200 Journal_6.385 Rod_1 piece_Internal
Price $980.00

P/N: MOL-454-4250DC6F-OPS-6385
  • 4.250 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 1-piece Rear Main Seal
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.250 Stroke_2.200 Journal_6.385 Rod_2 piece_Internal
Price $980.00

P/N: MOL-454-4250DC6F-6385
  • 4.250 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.250 Stroke_2.200 Journal_6.385 Rod_2 piece_Internal_w/Center Counterweights
Price $1,115.00

P/N: MOL-454-4250DC8F-6385
  • 4.250 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
  • with Center Counterweights
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.375 Stroke_2.200 Journal_6.385 Rod_2 piece_Internal_w/Center Counterweights
Price $1,115.00

P/N: MOL-454-4375DC8F-6385
  • 4.375 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
  • with Center Counterweights
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.500 Stroke_2.200 Journal_6.535 Rod_2 piece_Internal_w/Center Counterweights
Price $1,115.00

P/N: MOL-454-4500DC6F-6535
  • 4.500 Stroke
  • 6.535 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
  • with Center Counterweights
 more info
Molnar Forged Crankshafts
Molnar Crankshaft_4340 Forged Steel_Chevrolet 454_4.750 Stroke_2.200 Journal_6.700 Rod_2 piece_Internal_w/Center Counterweights
Price $1,115.00

P/N: 454-4750DC8F
  • 4.750 Stroke
  • 6.635 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2-piece Rear Main Seal
  • with Center Counterweights
 more info