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Manley Chevrolet Big Block Forged Crankshaft - 4.000in Stroke

This forged crankshaft is engineered from lightweight 4340 alloy steel with a non-twist forging process, delivering exceptional strength and durability for high-performance Chevrolet Big Block engines. It undergoes a multi-step heat treatment and nitriding process to enhance longevity and resistance to wear.

Precision micro-polished large radius journals reduce friction, improving engine efficiency and performance. Each crankshaft is rigorously quality assured through stress relief, shot peening, and 100% magnaflux inspection to meet demanding motorsport standards.

  • Forged 4340 alloy steel construction
  • Lightweight non-twist forging design
  • Multi-step heat treatment and nitriding for enhanced strength
  • Micro-polished large radius journals for reduced friction
  • Stress relieved, shot peened, and magnaflux inspected

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
Contact
Manley Performance
1960 Swarthmore Avenue
8701 Lakewood
USA

https://www.manleyperformance.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
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