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Eagle

Eagle Ford 390 Competition Rotating Assembly Kit w/ 4.25in H-Beam - 4.08in Bore *Balanced

$2798.68

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Eagle Ford 390 Competition Rotating Assembly Kit B157144080. Balanced assembly for high-performance Ford FE engines.

Key Features

  • Fits Ford FE engines.
  • Includes a balanced 4.250-inch cast crankshaft.
  • Features 6.635-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts.
  • Comes with forged 4032 Mahle -26cc inverted dome pistons for a 4.080-inch bore.
  • Includes plasma-moly file-fit rings for optimal sealing.
  • Equipped with King rod and main bearings for durability.
This rotating assembly is designed for Ford FE 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 is the Eagle Ford 390 Competition Rotating Assembly Kit, part number B157144080. It's built for serious performance applications, especially if you're planning on using nitrous or forced induction with your Ford FE engine. This kit gives you a solid foundation for a high-horsepower build, ensuring all the critical rotating components work together smoothly.

Inside this balanced assembly, you'll find a 4.250-inch cast crankshaft, ready to handle the demands of racing. It's paired with 6.635-inch H-beam connecting rods, which are strong enough for aggressive use. These rods come with 7/16-inch ARP 8740 bolts, known for their reliability under high stress. The pistons are forged 4032 aluminum with a -26cc inverted dome design, intended for a 4.080-inch bore, and they include plasma-moly file-fit rings for a good seal. To top it off, the kit includes King rod and main bearings, selected for their durability in performance engines.

Because this is a balanced assembly, it's designed to reduce vibration and improve overall engine smoothness and longevity, which is crucial when you're pushing your engine hard. Keep in mind that this kit is not CARB approved and cannot be shipped to California. It's a well-built package for anyone serious about building a powerful Ford FE engine.

Specifications

Brand
Eagle
Manufacturer Part #
B157144080
UPC
793348051970

Frequently Asked Questions

Eagle Ford 390 Competition Rotating Assembly Kit w/ 4.25in H-Beam - 4.08in Bore *Balanced

$2798.68