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Manley Chevrolet Big Block Forged Crankshaft - 4.375in Stroke

Manley Chevrolet Big Block Forged Crankshaft - 4.375in Stroke

$1,115.31 $1,212.29
Part no. 190250
Special order Not in stock at our distributor. Lead times vary and can run several weeks. Contact us for an ETA before ordering.

Your vehicle

Year, make and model. Our techs check fitment against it before the order ships.

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to...

Full details and fitment

The details

About this part

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
  • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
  • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.
  • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.