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Eagle Part # EAG545440026135

Eagle Chevrolet BB 4.000in Stroke Internal Balance Forged 4140 Steel Crankshaft - 545440026135

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Eagle forged 4140 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for competition use.

  • Material: forged 4140 steel
  • Intended Balance: internal
  • Target Bobweight: 2350g
  • Stroke: 4.000"
  • Rod Journal: 2.200"
  • Rod Journal Width: 2.000"
  • Main Journals: 2.749"
  • Minimum Rod Length: 6.135"
  • Typical Weight: 63 lbs.
  • Snout Diameter: 1.6"
  • Flywheel Bolts: 6
  • Pilot Bore Diameter: 1.094"

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