Eagle
Eagle Pontiac 455 4.250in Stroke Cast Crankshaft - EAGLE104554250
- SKU:
- EAGLE104554250
- MPN:
- 104554250
Description
Will this crankshaft fit my 1970 Pontiac 455?
Confirm exact vehicle fitment using our detailed compatibility guide before proceeding with installation of this crankshaft.
Is professional installation of this crankshaft recommended?
Professional installation is strongly recommended for this crankshaft to ensure optimal engine performance and proper assembly.
EAG Crankshafts for your Pontiac 455 deliver enhanced torque and power output, excelling in Street Performance with a score of 8. Featuring a robust cast crank construction and a 4.250 inch stroke, this crankshaft provides the foundation for significant horsepower gains. Trust these EAG Crankshafts for a confident performance upgrade.
What Owners Say
Owners and enthusiasts consistently report that Eagle 4340 crankshafts deliver solid reliability and quality for the price point, making them a popular choice for engine builds. The forged construction earns praise for durability, though many note these cranks typically require additional heavy metal and extra balancing time compared to premium alternatives like Callies, which can offset some of the initial cost savings. Some builders mention early production runs had bobweight issues that required correction during balancing, though this has reportedly been addressed. Overall, Eagle crankshafts have established a strong reputation as dependable, cost-effective components that perform well when properly balanced and installed by a competent engine builder.
Key Features
- Cast Crank
- PONTIAC 455
- 4.250" STROKE
Why Choose the EAG Crankshafts - 8 Cyl
Delivers robust engine performance for your Pontiac 455.
Achieves enhanced torque and power output for thrilling acceleration.
Provides a foundation for significant horsepower gains.
Transforms your engine's potential for a more aggressive driving feel.
Who Is This For?
Street Performance — 8/10
Enhanced torque and power output with longer stroke.
Engine Performance — 9/10
Achieves enhanced torque and power output.
Drag Racing — 7/10
Increased stroke can improve acceleration for drag racing.
Racing Competition — 6/10
Enhanced power output is beneficial for racing.
Frequently Asked Questions
What is the primary performance benefit of the EAG Crankshaft for a Pontiac 455?
Achieving enhanced torque and power output is the primary performance benefit delivered by this EAG Crankshaft. It supports a 'Street Performance' use case with a strong score of 8, offering a more thrilling acceleration experience. This component transforms your engine's potential for a more aggressive driving feel.
How does the 4.250-inch stroke of the EAG Crankshaft impact engine performance?
The 4.250-inch stroke significantly increases the displacement of the engine, thereby achieving enhanced torque and power output. This longer stroke is directly responsible for providing a foundation for significant horsepower gains, especially beneficial in 'Engine Performance' applications scoring a 9. This upgrade transforms your engine's potential.
Is professional installation required for the EAG Crankshaft?
Professional installation is recommended for the EAG Crankshaft, and it should be confirmed with a qualified technician. This ensures precise alignment and optimal functioning of this critical engine component. Proper installation is essential for realizing its full performance capabilities.
How can I confirm if the EAG Crankshaft is compatible with my specific vehicle?
Confirming fitment with your specific vehicle is crucial before installation. While designed for the Pontiac 455, always consult a qualified technician or verify the part number against your vehicle's specifications. This guarantees precise integration and optimal performance.
What makes upgrading to an EAG Crankshaft worthwhile for enthusiasts?
Upgrading to an EAG Crankshaft is worthwhile because it provides a robust foundation for significant horsepower gains and delivers enhanced torque and power output. This upgrade elevates the 'Engine Performance' use case to a score of 9, offering superior acceleration and a more aggressive driving feel compared to stock components.
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
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