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MANLEY 4340 Forged Steel Crankshaft [Design SLW | Reluctor Wheel 24 | Stroke 4.000" | Minimum Rod Length 6.125" | Main Journal Diameter 2.559" | Rod Journal Diameter 2.100" | Bobweight (grams) 1686 | Total Weight (lbs.) 46-58] (GM LS exc/ LS7)

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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

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


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  • Model: 190324
  • FROM: MANLEY

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we added this on Friday 12 June, 2009.

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