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Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
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Manley Chevrolet Small Block Forged 4.000in Stroke Crankshaft

by Manley Performance
Special Order Item: This item is not stocked in-house and may require additional processing time before shipping. Details
Special Order Save 8% Save 8%
$1,015.88
$1,015.88 - $1,015.88
$1,015.88
$934.61
$934.61 - $934.61
$934.61

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.

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