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Eagle

Eagle Chevy LS1 58 Tooth Reluctor 4140 Forged Crankhaft

MPN: 534740006100 Catalog #: 001242891 Category: Crankshafts Check Vehicle Fitment

Product Details

Forged 4140 Steel Crank - CHEVROLET LS, 4.000 STROKE, 58 TOOTH RELUCTOR.

Eagle forged 4140 steel cranks feature a non-twist forging, .125 fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for competition use. Includes 58 tooth reluctor.

DETAILS:

Part Number 534740006100 SPECS:

DETAILS:

  • 58 tooth reluctor.
  • Crankshaft must be balanced to match your specific Rods and pistons.
  • Engine Crankshaft
  • 4140 FORGED CRANK LS2 58T 4.000 STROKE
  • ESP 4140 Forged Crank
  • 4140 Forged Crank

Part Number 534740006100 SPECS:

  • Balance Type: Internal
  • Crankshaft Stroke: 4.000
  • Engine Stroke: 4
  • Flywheel Bolt Count: 6
  • Flywheel Register Diameter: call
  • Intended Balance: internal
  • Main Journal: 2.559
  • Material: Forged 4140 steel
  • Minimum Rod Length: 6.125
  • Pilot Bore Diameter: call
  • Prop 65 (C, R or CR): C
  • 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 Yes/No: Yes
  • Rear Seal Diameter: call
  • Rod Journal Width: 1.900
  • Rod Journal: 2.1
  • Snout Diameter: 1.48
  • Target Bobweight: 1800g
  • Title: ESP 4140 FORGED CRANK LS2 58T 4.000 STROKE

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Eagle
Part Number
534740006100
Catalog Number
001242891
Product Line
Crankshafts - 8 Cyl
Category
Engines & Parts
Type
Crankshafts
UPC / Barcode
793348023885
Vendor Product Category
Engine Components
Vendor Product Subcategory
Crankshafts
Length
31.90 in
Width
8.90 in
Height
8.70 in
Weight
60.20 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 8 Available - Ready to ship
Estimated timing Ships from factory

This item is showing manufacturer availability and may ship directly from the manufacturer. Tracking details are provided as soon as they become available. ETA 0-5 Days to ship.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 8 available as of 6/4/2026.

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