Manley Billet Crankshaft GM LS 3.622in Stroke 58X Reluctor Center Counterweight

SKU: man190758B UPC: 807298118062
In stock
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.

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Regular price $1,992.31
Heavy Item This item ships by freight. Shipping isn't calculated at checkout — we'll contact you with a freight quote after your order is placed.

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

A Manley billet crankshaft for GM LS-Series engines, machined from 4340 steel to a 3.622 in. stroke with 2.100 in. rod journals and an integral 58X reluctor wheel. The center counterweight design carries eight counterweights and is internally balanced.

Key Features

  • 4340 billet steel construction
  • Center counterweight (8 counterweight) design
  • 58X reluctor wheel machined into the crankshaft
  • Internally balanced with a one-piece rear seal
  • Gun drilled mains and lightened rod journals reduce weight
  • Fully profiled counterweights
  • Multi-step heat treatment and nitriding
  • Micro-polished large radius journals

Fitment

  • GM LS-Series

Product Details

  • Stroke: 3.622 in.
  • Rod Journal Diameter: 2.100 in.
  • Intended Rod Length: 6.125 in.
  • Reluctor Wheel: 58X
  • Counterweight Design: Center counterweight, 8 counterweight
  • Balance: Internal
  • Rear Seal: One piece
  • Material: 4340 billet steel
  • Manufacturer Part Number: 190758B

Confirm snout style, reluctor count and required clearance against your block and pickup before ordering, since Manley also offers this crankshaft in a 24X reluctor version.

Shipping Height: 7.0

Shipping Length: 32.0

Shipping Width: 7.0

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