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Est. 1957
Eagle

Eagle Chevy 400 3.750in Crank 5.700in I-Beam Rods -20cc 4.165in Pistons Balanced Assembly

$2140.48

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Eagle Chevy 400 balanced rotating assembly with 3.750" crank, 5.700" rods, and Mahle pistons. Ideal for street performance.

Key Features

  • This assembly is balanced from the factory.
  • Includes a 3.750-inch cast crankshaft.
  • Features 5.700-inch I-beam connecting rods with 3/8-inch ARP 8740 bolts.
  • Comes with forged Mahle 4.165-inch pistons with a -20cc inverted dome.
  • Includes plasma-moly standard gap rings.
  • Equipped with King rod and main bearings.
This assembly is designed for Chevy 400 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

Starting with a 3.750-inch cast crankshaft, this Eagle rotating assembly is built for the demands of a Chevy 400 engine. It's designed to handle pump gas and naturally aspirated street applications, giving you a solid foundation for your build. This assembly includes everything you need to get your engine rotating, making it a convenient and well-thought-out package for performance street vehicles.

The 5.700-inch I-beam connecting rods are paired with 3/8-inch ARP 8740 bolts, offering a strong connection for reliable operation. Forged Mahle pistons with an inverted dome design and a -20cc volume are included, featuring plasma-moly standard gap rings for good sealing. King rod and main bearings are part of the package, ensuring smooth rotation and proper oil clearance. This assembly comes balanced from the factory, saving you a significant step in the engine building process and helping to reduce vibration.

In addition to the core rotating components, this assembly also includes a damper and a flexplate. This comprehensive kit is a popular choice for those rebuilding or upgrading their Chevy 400 engine for street performance. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures.

Specifications

Brand
Eagle
Manufacturer Part #
B13012040
UPC
793348033747

Frequently Asked Questions

Eagle Chevy 400 3.750in Crank 5.700in I-Beam Rods -20cc 4.165in Pistons Balanced Assembly

$2140.48