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EAGLEPART NUMBER: 356-434739006100

Forged 4340 Steel Crankshaft

Name: Forged 4340 Steel Crankshaft
Brand: EAGLE
SKU: 356-434739006100
Price: 1086.99 USD
Availability: InStock

^$1,086⁹⁹

Ships on 09/16/2026

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GM LS

Forged 4340 Steel Crankshaft

GM LS

3.900 in. Stroke

Minimum 6.100 in. Rod

2.100 in. Rod Journal

Internal Balance

58-Tooth Reluctor

Part TypeCrankshaft

BrandEAGLE

Part CategoryPerformance Parts

Crankshaft MaterialForged 4340 steel

Rod Journal Diameter2.1 in (53.3 mm)

Main Journal Diameter2.559 in (64.999 mm)

LightenedNo

QuantitySold individually

Crankshaft Snout StyleStandard

Main Bearings IncludedNo

Engine BalanceInternal

Rod Bearings IncludedNo

Balancer Bolt Thread Size (Mm)M16-2.0

Reluctor Wheel Tooth Quantity58

Rear Main Seal Style1-piece

Requires Narrow BearingsYes

Part FitmentSemi Universal

Engine Stroke3.9 in (99.06 mm)

Vendor Part Number434739006100

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

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