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Eagle Part # EAG439637676135

Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft - 439637676135

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Eagle forged 4340 steel center-counterweighted cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for the most demanding applications.

  • Material: forged 4340 steel
  • Intended Balance: internal
  • Target Bobweight: 2350g
  • Stroke: 3.766"
  • Rod Journal: 2.200"
  • Rod Journal Width: 2.000"
  • Main Journals: 2.749"
  • Minimum Rod Length: 6.135"
  • Typical Weight: 74 lbs.
  • Snout Diameter: 1.6"
  • Flywheel Bolts: 6
  • Pilot Bore Diameter: 1.094"

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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