Auto Barn
Est. 1957
Eagle

Eagle Chevy 454 4.250in Crank 6.385in I-Beam Rods -3cc Flat Top 4.350in Pistons Balanced Assembly

$2091.70

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Eagle Chevy 454 balanced rotating assembly with 4.250" cast crank, 6.385" I-beam rods, and 4.350" flat top pistons.

Key Features

  • Verified fitment for Chevy 454.
  • Includes a 4.250-inch cast crankshaft.
  • Features 6.385-inch I-beam connecting rods with 7/16-inch ARP 8740 bolts.
  • Comes with 4.350-inch Hypereutectic KB -3cc flat top pistons.
  • Includes plasma-moly file-fit piston rings for custom gapping.
  • Equipped with King SI rod and main bearings.
This rotating assembly is designed for Chevy 454 engines. It is not CARB approved and cannot be shipped to California.

⚠️ 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

This Eagle Street & Strip rotating assembly is built around a 4.250-inch cast crankshaft, providing a solid foundation for your Chevy 454 build. It's designed for street vehicles running on pump gas and naturally aspirated setups, making it a practical choice for many performance builds. The assembly includes 6.385-inch I-beam connecting rods, which are a well-known choice for their strength and reliability in performance applications.

The pistons included are Hypereutectic KB flat tops, featuring a -3cc dish and a 4.350-inch bore. These are paired with plasma-moly file-fit rings, allowing for precise gap setting to match your engine's specific needs and ensure good sealing. For durability and performance, the assembly comes with King SI rod and main bearings, known for their ability to handle the stresses of a performance engine. The connecting rods are secured with 7/16-inch ARP 8740 bolts, a strong choice that ensures the rods stay firmly attached under load.

This assembly is balanced from the factory, saving you a significant step in the engine building process. Please note that this assembly is not CARB approved and cannot be shipped to California. It's a well-built package for those looking to rebuild or upgrade their Chevy 454 engine.

Specifications

Brand
Eagle
Manufacturer Part #
B18021100
UPC
793348120300

Frequently Asked Questions

Eagle Chevy 454 4.250in Crank 6.385in I-Beam Rods -3cc Flat Top 4.350in Pistons Balanced Assembly

$2091.70