Eagle Forged 4340 Steel Crankshaft Chevy LS9 4.000in. Stroke w/ LS9 Reluctor Wheel

SKU: EAG442540006100

Crankshafts

EAG Crankshafts - 8 Cyl...

Eagle

Eagle Forged 4340 Steel Crankshaft Chevy LS9 4.000in. Stroke w/ LS9 Reluctor Wheel

SKU: EAG442540006100

Crankshafts

EAG Crankshafts - 8 Cyl...

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

Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications. Includes 58 tooth LS9 reluctor.

Product Overview

Product Details

Balance Type:	Internal
Crankshaft Stroke:	4.000"
Description:	Eagle Forged 4340 Steel Crankshaft Chevy LS9 4.000in. Stroke w/ LS9 Reluctor Wheel
Engine Stroke:	2.559
Flywheel Bolt Count:	9
Flywheel Register Diameter:	call
Intended Balance:	internal
Main Journal Diameter:	2.559
Main Journal:	2.559"
Material:	forged 4340 Steel
Minimum Rod Length:	6.1
Part Number:	eag442540006100
Pilot Bore Diameter:	call
Prop 65 (C, R or CR):	C
Prop 65 - Long Label:	This product contains nickel, which is known to the State of California to cause cancer.
Prop 65 - Short Label:	Prop65 warning.jpg
Prop 65 Long:	This product contains nickel, which is known to the State of California to cause cancer.
Prop 65 Warning Chemical Listing:	Nickel
Prop 65 Yes/No:	Yes
Rear Seal Diameter:	call
Rod Journal Diameter:	2.1
Rod Journal Width:	1.900"
Rod Journal:	2.1
Snout Diameter:	1.48"
Target Bobweight:	1800g
Title:	Eagle Specialty Prod. Crankshaft
rear flange bolts:	9
reluctor:	LS9

Application Summary

CHEVY LS9

Part Type

Engine Crankshaft

Data: v4.2 - Upd: 2026-10-13 18:08:57

Specifications

Product Attributes - Brand: Eagle Specialty Products
Product Attributes - Manufacturer's Part Number: 442540006100
Product Attributes - Part Type: Crankshafts
Product Attributes - Product Line: Eagle Forged 4340 Steel Crankshafts
Product Attributes - UPC: 00793348013787
Product Attributes - Engine Stroke (in.): 4.000 in.
Product Attributes - Crankshaft Material: Forged 4340 steel
Product Attributes - Engine Balance: Internal
Product Attributes - Rear Main Seal Style: 1-piece
Product Attributes - Reluctor Wheel Tooth Quantity: 58
Product Attributes - Lightened: No
Product Attributes - Requires Narrow Bearings: Yes
Product Attributes - Rod Bearings Included: No
Product Attributes - Main Bearings Included: No
Product Attributes - Rod Journal Diameter (in.): 2.100
Product Attributes - Main Journal Diameter (in.): 2.559 in.
Product Attributes - Balancer Bolt Thread Size: M16 x 2.0
Product Attributes - Crankshaft Snout Style: Standard
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Utilizes LS9 58-tooth reluctor wheel.

Reference Information

Brand Name/s	Eagle
StreetFX SKU	eag442540006100
SFX Item ID	4052930
Supplier Item Code	4052930
Manufacturer SKU	442540006100
Manufacturer UPC	793348013787
Alternative References	ESP-442540006100, LS9, 4.000in.