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Manley Mitsubishi 4G63/4G64 7-Bolt Turbo-Tuff 4340 Billet 88mm Race Series Crankshaft

$1,865.83 $1,964.03
-5%
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Manley Mitsubishi 4G63/4G64 7-Bolt Turbo-Tuff 4340 Billet 88mm Race Series Crankshaft
$1,865.83 $1,964.03
$1,865.83 $1,964.03

The Manley Turbo-Tuff Race Series crankshaft is engineered for the extreme demands of high-boost and high-RPM Mitsubishi 4G63 and 4G64 7-bolt engines. Machined from high-strength 4340 billet steel, this 88mm stroke crankshaft (MPN: 190100B) offers a significant upgrade in rotational stability and durability over factory units.

Each crankshaft features a lightweight design with fully knife-edged counterweights to minimize windage and ensure precise balance at high engine speeds. To guarantee long-term reliability under racing conditions, Manley utilizes a multi-step heat treatment process and nitriding for superior surface hardness and longevity.

  • Fits Mitsubishi 4G63 and 4G64 7-bolt blocks
  • Manufactured from premium 4340 Turbo-Tuff billet material
  • 88mm stroke for high-performance race applications
  • Fully knife-edged counterweights for reduced weight and improved oil shedding
  • Stress relieved, shot peened, and 100% magnafluxed for structural integrity
  • Nitrided finish for enhanced journal hardness and wear resistance
  • Manufacturer Part Number: 190100B

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