Auto Barn
Est. 1957
Eagle

Eagle Chevy 427 3.766in Crank 6.135in H-Beam 41cc Dome 4.310in Pistons Balanced Assembly

$3556.29

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 427 Pro Street balanced rotating assembly. Features a forged 4340 crank, H-beam rods, and Icon pistons for naturally-aspirated racing.

Key Features

  • Fits Chevy 427 engines.
  • Balanced rotating assembly for reduced vibration and improved performance.
  • Forged 4340 steel crankshaft with a 3.766-inch stroke.
  • 6.135-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts.
  • Forged 4032 Icon pistons with a 41cc dome and 4.310-inch bore.
  • Includes plasma-moly file-fit piston rings.
This rotating assembly is designed for Chevy 427 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 427 Pro Street balanced rotating assembly, built for serious naturally-aspirated racing applications. It's a complete package designed to form the heart of a powerful engine, ready to handle the demands of the track or performance street use where maximum output is the goal.

At its core is a forged 4340 steel crankshaft with a 3.766-inch stroke, providing the foundation for increased displacement and torque. Paired with this are 6.135-inch H-beam connecting rods, known for their strength and reliability under high stress, secured with 7/16-inch ARP 8740 bolts. The assembly includes forged 4032 aluminum pistons from Icon, featuring a 41cc dome shape and a 4.310-inch bore size, designed to achieve a specific compression ratio for optimal performance in naturally aspirated setups. To ensure it's ready to go, the entire assembly is balanced, and it comes complete with plasma-moly file-fit piston rings and King XP rod and main bearings for smooth operation and durability.

This balanced rotating assembly is a significant step up for anyone rebuilding or building a high-performance Chevy 427 engine. It’s important to note that this assembly is not CARB approved and cannot be shipped to California. Always consult with your engine builder to ensure this assembly meets your specific build goals and local emissions regulations.

Specifications

Brand
Eagle
Manufacturer Part #
B68311060
UPC
793348041773

Frequently Asked Questions

Eagle Chevy 427 3.766in Crank 6.135in H-Beam 41cc Dome 4.310in Pistons Balanced Assembly

$3556.29