Manley Performance
Manley Performance Chevy LS 4340 Forged Lightweight Crankshaft Crankshaft
SKU: man190058NB
we're providing the core strength your engine build demands. The Pro Series 4340 Alloy Steel Crankshaft is an efficient and precisely balanced foundation for performance, built not just to survive, but to handle extremes across a wide range of applications.
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Overview
we're providing the core strength your engine build demands. The Pro Series 4340 Alloy Steel Crankshaft is an efficient and precisely balanced foundation for performance, built not just to survive, but to handle extremes across a wide range of applications.
Features
- 4340 Construction: Forged or Turbo Tuff billet for superior strength
- Gun-drilled mains and lightened journals cut weight
- Heat-treated and nitrided for durability
- Micro-polished journals reduce friction
- 100% magnaflux-inspected
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Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.