Eagle
Eagle 4G63 Stroker 100mm Crankshaft For 6-Bolt (DSM) - 2439375900A6
- SKU:
- EAG2439375900A6
- UPC:
- 793348006857
- MPN:
- 2439375900A6
- Availability:
- Regularly stocked product
Description
What is the process for installing a new crankshaft?
Professional installation is strongly recommended to ensure proper alignment and function of this critical engine component.
How much horsepower can this crankshaft handle?
Achieve enhanced durability and unwavering reliability under extreme engine loads, delivering sustained high-performance driving capabilities.
Eagle Crankshafts for 4-cylinder engines are built for ultimate strength, excelling in Track/Autocross and Drag Racing with a score of 9. Featuring non-twist forging and nitrided surface treatment, these crankshafts deliver unwavering reliability under extreme engine loads for demanding motorsport applications.
What Owners Say
Owners and enthusiasts consistently recognize Eagle crankshafts as solid budget-friendly options for serious builds, with many successfully running them in stroker assemblies at attractive price points around $650-700. The forged construction and material quality receive praise, with builders confirming they can handle significant power—some reporting confidence up to 1000 wheel horsepower with proper tuning. The main consensus is that while the base metal is good, the Chinese manufacturing means you need to verify machining tolerances before installation, as quality control can be inconsistent. Despite this caveat, Eagle cranks have earned a reputation as reliable, cost-effective components when properly inspected and prepared for performance applications.
Key Features
- non-twist forging
- .125" fillet radiuses for superior strength so chamfered / narrowed bearings required
- nitrided surface
- micropolished
Why Choose the EAG Crankshafts - 4 Cyl
Delivers unwavering reliability under extreme engine loads.
Achieves enhanced durability for sustained high-performance driving.
Provides a smoother, more responsive engine operation.
Transforms your engine's resilience for track-day dominance.
Who Is This For?
Track / Autocross — 9/10
Non-twist forging and 4340 steel offer superior strength.
Drag Racing — 9/10
Non-twist forging and 4340 steel offer superior strength.
Racing Competition — 9/10
Non-twist forging and 4340 steel offer superior strength.
Street Performance — 8/10
Forged 4340 steel construction ensures ultimate reliability.
Engine Performance — 8/10
Forged 4340 steel construction ensures ultimate reliability.
High Speed Desert Running — 7/10
Superior strength from non-twist forging and 4340 steel.
Frequently Asked Questions
Will the EAG 4 Cylinder Crankshaft fit my 1990 Eagle Talon?
The EAG 4 Cylinder Crankshaft is specifically designed to fit 1990-1992 Eagle Talons, Mitsubishi Eclipses, and Plymouth Lasers. This direct fitment ensures proper integration with your engine's existing components. You can confidently install this crankshaft knowing it's engineered for your specific vehicle model.
What is the recommended installation procedure for the EAG Crankshaft?
Professional installation is strongly recommended for the EAG Crankshaft to ensure optimal performance and reliability. This approach guarantees that the crankshaft is fitted precisely by a qualified technician. Trusting experts with the installation secures the crankshaft's superior strength for demanding applications.
How does the EAG 4 Cylinder Crankshaft perform in high-stress racing scenarios?
The EAG 4 Cylinder Crankshaft achieves a score of 9 for Track / Autocross use cases. Its non-twist forging and 4340 steel construction provide superior strength necessary for extreme engine loads. This crankshaft transforms your engine's resilience for unparalleled track-day dominance.
Is upgrading to an EAG 4340 forged steel crankshaft from a stock unit beneficial?
Upgrading to an EAG 4340 forged steel crankshaft is highly beneficial for enhanced durability. The non-twist forging process and nitrided surface treatment deliver unwavering reliability under extreme engine loads. This upgrade provides a smoother, more responsive engine operation compared to stock components.
What material is the EAG 4 Cylinder Crankshaft constructed from?
The EAG 4 Cylinder Crankshaft is constructed from forged 4340 steel, offering ultimate strength and reliability. This robust material is further enhanced by non-twist forging and a nitrided surface for superior durability. Experience sustained high-performance driving with this exceptionally resilient crankshaft.
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Crankshafts — Engine Components
Additional Information
Clearance Item: |
N |
MPN: |
2439375900A6 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Crankshafts |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Engine Performance: |
8/10 |
High Speed Desert Running: |
7/10 |
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