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MANLEY 4340 Forged Steel Crankshaft [Design LW | Reluctor Wheel 24 Tooth | Stroke 4.100\" | Minimum Rod Length 6.125\" | Main Journal Diameter 2.559\" | Rod Journal Diameter 2.100\" | Bobweight (grams) XXXX | Total Weight (lbs.) 50-52] (GM LS exc/ LS7)

MANLEY 4340 Forged Steel Crankshaft [Design LW | Reluctor Wheel 24 Tooth | Stroke 4.100" | Minimum Rod Length 6.125" | Main Journal Diameter 2.559" | Rod Journal Diameter 2.100" | Bobweight (grams) XXXX | Total Weight (lbs.) 50-52] (GM LS exc/ LS7)

$100,000,000,000.00

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Lightweight (LW) and Super Lightweight (SLW) designs
4340 material forgings
Multi-step heat treatment process and nitrided for added strength
Stress relieved, shot-peened and 100% magnafluxed
Micro polished large radius journals (narrowed bearings required)
Gun drilled mains and lightened rod journals for weight reduction
Counterweights fully profiled

Manley crankshafts are not intended for use with highly boosted roots style cog belt superchargers

These cranks are not balanced and have non-drilled counterweights


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  • Model: 190124NB
  • FROM: MANLEY

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we added this on Wednesday 23 September, 2020.

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