Manley Performance is proud to introduce their new line of "PRO SERIES" crankshafts specifically designed for the CHEVROLET LS market. The perfect compliment to our existing product range of LS pistons and connecting rods. Why shop anywhere else when you can bullet-proof your LS engine’s bottom-end with quality Manley components?
- 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 magnafluxed
- Micro polished large .125" radius journals (narrowed bearings required)
- Available with either 24 or 58 tooth reluctor wheel
- Gun drilled mains and lightened rod journals for weight reduction
- Counterweights fully profiled
*Includes 24 Tooth Reluctor Wheel | 
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