Manley Crankshafts 191958NB Crankshafts, CRANKSHAFT-4.050 HEMI 58T RELU

SKU: MAN191958NB

Crankshafts

Manley Crankshafts 191958NB Crankshafts, CRANKSHAFT-4.050 HEMI 58T RELU

SKU: MAN191958NB

Crankshafts

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Manley Performance “PRO SERIES” stroker crankshaft designed for the Gen III small block HEMI engine. Manufactured from a premium 4340 steel forging, these cranks feature a 4.050” stroke which can turn your 5.7L into a 392 c.i. engine and your 6.1L/6.4L into a 426 c.i. engine. The Manley 4.050” stroke HEMI crankshaft features small block Chevy small journal (2.000") crank pin diameters and widths. This provides taller "side walls" on the crankshaft rod journals for better oil control and reduced windage. Counterweights are profiled for 6.125" connecting rods.

Part Type

Engine Crankshaft

Data: v4.2 - Upd: 2026-10-14 10:05:38

Features

Counterweights fully profiled
Dual keyed post for supercharger drive pulleys
Gun drilled mains and lightened rod journals for weight reduction
Micro polished large radius journals (narrow rod bearings required)
Multi-step heat treatment process and nitrided for added strength to already strong forged 4340 material
Stress relieved, shot-peened and 100% magnafluxed

Specifications

Product Attributes - Brand: Manley
Product Attributes - Manufacturer's Part Number: 191958NB
Product Attributes - Part Type: Crankshafts
Product Attributes - UPC: 807298114712

Reference Information

Brand Name/s	Manley Performance
StreetFX SKU	man191958NB
SFX Item ID	4933011
Supplier Item Code	4933011
Manufacturer SKU	191958NB
Manufacturer UPC	807298114712
Alternative References	CRANKSHAFT-4.050, 58T