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Est. 1957
Eagle

Eagle Chrysler Hemi 4.150in Stroke 8 Bolt H-Beam 6.860in Pistons 4.290in Bore Balanced Assembly

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Eagle Hemi 4.150in Stroke 8 Bolt H-Beam 6.860in Pistons 4.290in Bore Balanced Assembly

Key Features

  • Fits Chrysler Hemi engines.
  • Features a forged steel crankshaft with a 4.150-inch stroke and 8-bolt flange.
  • Includes 6.860-inch H-beam connecting rods forged from 4340 steel.
  • Comes with lightweight aluminum pistons for a 4.290-inch bore.
  • The assembly is precision-balanced to reduce vibration and improve engine longevity.
  • Not CARB approved; cannot ship to California.
This rotating assembly is designed for Chrysler Hemi engines. Please consult manufacturer specifications for detailed compatibility with specific engine models and years.
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About this part

Product Details

This Eagle Hemi rotating assembly starts with a forged steel crankshaft featuring a 4.150-inch stroke and an 8-bolt flange for secure flywheel attachment. This is the heart of a serious engine build, designed to handle increased power and torque demands. The H-beam connecting rods are forged from 4340 steel, known for its strength and durability under high stress, and measure 6.860 inches in length. They are paired with lightweight aluminum pistons designed for a 4.290-inch bore, contributing to a well-balanced rotating assembly.

Building a Hemi engine often involves pushing the limits, and this balanced assembly is engineered to meet those challenges. The components are precision-balanced to reduce vibration and improve overall engine smoothness and longevity. This means less stress on bearings and other internal parts, allowing your engine to perform reliably at higher RPMs and under heavier loads. The 4340 steel rods and forged crank are crucial for maintaining structural integrity when you're looking to significantly increase horsepower over stock specifications.

This assembly includes the crankshaft, connecting rods, and pistons, all balanced as a set. It's important to note that this assembly is not CARB approved and cannot be shipped to California. For optimal installation and performance, always refer to the manufacturer's detailed assembly instructions and recommended clearances. This is a solid foundation for a performance Hemi build where reliability and power are key considerations.

Specifications

Brand
Eagle
Manufacturer Part #
B22305040
UPC
793348066165

Frequently Asked Questions

Eagle Chrysler Hemi 4.150in Stroke 8 Bolt H-Beam 6.860in Pistons 4.290in Bore Balanced Assembly

$3852.54