Manley 190190 - 4340 Crankshaft Non-Twist Forging, Small Block Chevy 3.480" Stroke 350 Main, 2.100 Rod Journal, Bobweight 1750 grams, Weight 44-46lbs

Manley Small Block Chevy 3.480" Stroke 4340 Non-Twist Forged Crankshaft,, 350 Main Journal (2.450"), 2.100" Rod Journal, Bobweight 1750 grams, Weight 44-46lbs 190190

Heat Treated, Stress Relieved, Shot peened, nitrided and 100% magnafluxed

Micro polished large radius journals (narrowed rod bearings required) 

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