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Est. 1957
Eagle

Eagle Chevy 454 4.250in Crank 6.385in H-Beam 18cc Dome 4.320in Pistons Balanced Assembly

$3310.86

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Eagle Chevy 454 balanced rotating assembly. Features forged 4340 crank, H-beam rods with ARP bolts, Mahle pistons, and King XP bearings. Not CARB approved.

Key Features

  • Fits Chevy 454 engines.
  • Balanced rotating assembly for improved performance and reduced vibration.
  • Forged 4340 steel crankshaft with a 4.250-inch stroke.
  • 6.385-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts.
  • Mahle forged 4032 aluminum pistons with an 18cc dome and 4.320-inch bore.
  • Includes plasma-moly file-fit piston rings for precise sealing.
This rotating assembly is designed for Chevy 454 engines. Please verify compatibility with your specific engine build.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Eagle is well-known for making strong internal engine components, and this balanced rotating assembly for the Chevy 454 is a prime example of their commitment to performance. If you're building a serious street or race engine, this assembly is designed to handle the demands of high-horsepower applications, including those using nitrous or forced induction.

This assembly starts with a forged 4340 steel crankshaft featuring a 4.250-inch stroke, providing a solid foundation for increased displacement and power. Connecting the crank to the pistons are 6.385-inch H-beam connecting rods. These rods are built tough and come equipped with 7/16-inch ARP 8740 bolts, known for their reliability under stress. The pistons are forged 4032 aluminum from Mahle, featuring an 18cc dome shape and a 4.320-inch bore size, designed to work with your specific cylinder heads. They come complete with plasma-moly file-fit rings, which allow for precise gap setting to optimize performance and sealing. To ensure smooth operation and durability, the assembly includes King XP series rod and main bearings.

This rotating assembly comes balanced from the factory, saving you a significant step and cost in your engine build. Please note that this assembly is not CARB approved and cannot be shipped to California. It's important to check all manufacturer instructions for proper installation and break-in procedures to get the most out of this high-performance component.

Specifications

Brand
Eagle
Manufacturer Part #
B11012070
UPC
793348587622

Frequently Asked Questions

Eagle Chevy 454 4.250in Crank 6.385in H-Beam 18cc Dome 4.320in Pistons Balanced Assembly

$3310.86