Auto Barn
Est. 1957
Eagle

Eagle Chevy 400 3.750in Crank 5.700in H-Beam -16cc 4.125in Pistons Rotating Assembly

$2631.48

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 rotating assembly with 3.750" forged crank, 5.700" H-beam rods, and 4.125" pistons. Built for competition.

Key Features

  • Fits Chevy 400 engines.
  • Includes a 3.750-inch forged 4340 steel crankshaft.
  • Comes with 5.700-inch H-beam connecting rods.
  • Features 7/16-inch ARP 8740 connecting rod bolts.
  • Includes forged 4032 DSS pistons with a -16cc inverted dome and 4.125-inch bore.
  • Equipped with plasma-moly file-fit piston rings.
This rotating 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

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

This is the Eagle Chevy 400 3.750" Crank 5.700" H-Beam -16cc 4.125" Pistons Rotating Assembly, part number 12163000. It's a complete rotating assembly designed for the Chevy 400 engine, built to handle the demands of racing applications, including those using nitrous or forced induction. If you're building a high-performance engine for the track or serious street use, this assembly gives you the core components you need to get started.

At the heart of this assembly is a 3.750-inch forged 4340 steel crankshaft, known for its strength and durability under high stress. Paired with the crank are 5.700-inch H-beam connecting rods, which are a popular choice for performance builds due to their robust design. These rods come with 7/16-inch ARP 8740 bolts, a well-regarded fastener known for its reliability in high-horsepower engines. The pistons are forged 4032 DSS units with an inverted dome design, featuring a -16cc volume and a 4.125-inch bore size. They include plasma-moly file-fit rings, allowing for precise gap setting to match your specific engine build. To complete the package, King XP rod and main bearings are included, offering excellent wear resistance and performance.

This rotating assembly is a solid option for anyone looking to build a powerful Chevy 400 engine. Remember 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 to ensure optimal performance and longevity.

Specifications

Brand
Eagle
Manufacturer Part #
12163000
UPC
793348052922

Frequently Asked Questions

Eagle Chevy 400 3.750in Crank 5.700in H-Beam -16cc 4.125in Pistons Rotating Assembly

$2631.48