Seller notes

Lightweight 4340 Manley 3.750" stroke forged steel crankshaft designed for internal balance 2 piece rear main Non-twist forgings heat treated, stress relieved Shot peened, nitrided, 100% magnafluxed Micro polished large .125" radius journals narrowed rod bearings required 3.750" stroke, 2.450" main journal, 2.100" rod journal 49-51 lbs...

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