Nitto 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock. Most other aftermarket crankshafts are manufactured using cast forged material, which is a much cheaper manufacturing process and hence carry a cheaper price tag, but their performance, strength and horsepower capabilities are significantly compromised compared to that of a true billet crankshaft. An engine with a 4340 billet steel crankshaft will rev faster and cleaner due to the different harmonics produced from the high grade material.

All of our 4340 cranks are:
  • 4340 Billet Round Bar Stock

  • Grade Tested (X-ray - Sonic)

  • Quenched and Heat Treated

  • Fully Counter Weighted

  • Nitrided

  • Balanced

  • Knife Edged (where applicable)

  • 100% CNC Profiled

  • 100% CNC Drilled and Tapped

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MANLEY Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Lightweight, 24 Tooth, Reluctor, For Chevrolet LS, Each

MANLEY Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Lightweight, 24 Tooth, Reluctor, For Chevrolet LS, Each

$2,566.49