Auto Barn
Est. 1957
Eagle

Eagle Chevy 400 4.000in Crank 6.000in H-Beam Stroker Rods -20cc 4.165in Pistons Balanced Assembly

$3007.07

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Eagle Chevy 400 balanced rotating assembly with 4.000" forged crank, 6.000" H-beam rods, and 4.165" Mahle pistons. Built for high-performance racing.

Key Features

  • Fits Chevy 400 engines.
  • Includes a balanced rotating assembly for performance builds.
  • Features a forged 4340 steel crankshaft with a 4.000-inch stroke.
  • Equipped with 6.000-inch H-beam connecting rods with 7/16-inch ARP 2000 bolts.
  • Comes with forged 4032 Mahle pistons with a -20cc inverted dome and 4.165-inch bore.
  • Includes plasma-moly file-fit piston rings.
This rotating assembly is designed for Chevy 400 engines. Please verify compatibility with your specific engine build before purchase.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

If you're building a high-performance Chevy 400 engine for serious racing, this balanced rotating assembly from Eagle is a solid foundation. It's designed to handle the demands of competition, including applications using nitrous or forced induction. This assembly includes all the key components you need to get your engine's bottom end rebuilt and ready for power.

At the heart of this assembly is a forged 4340 steel crankshaft with a 4.000-inch stroke, paired with 6.000-inch H-beam connecting rods. These rods are built tough with 7/16-inch ARP 2000 bolts, ready for the stress of racing. The pistons are forged 4032 aluminum from Mahle, featuring an inverted dome design with a -20cc volume and a 4.165-inch bore size, perfect for achieving your desired compression ratio. The assembly also comes with plasma-moly file-fit piston rings and King XP rod and main bearings, ensuring smooth operation and durability.

This assembly is balanced from the factory, saving you a crucial step in the engine building process. Keep in mind that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures.

Specifications

Brand
Eagle
Manufacturer Part #
B12055040
UPC
793348032672

Frequently Asked Questions

Eagle Chevy 400 4.000in Crank 6.000in H-Beam Stroker Rods -20cc 4.165in Pistons Balanced Assembly

$3007.07