Auto Barn
Est. 1957
Manley Performance

Manley Rotating Assembly, BBC 582 4.375 STROKE/4.600/+43cc

$4181.04

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Manley BBC 582ci rotating assembly with 4.375" stroke. Forged steel crank and rods, aluminum pistons. Handles up to 1500 HP.

Key Features

  • The crankshaft is constructed from 4340 forged steel for strength.
  • Includes 4340 forged steel H-beam connecting rods with 7/16" ARP 8740 or optional ARP 2000 cap screws.
  • Features 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
  • Rated for 900 horsepower with ARP 8740 bolts and up to 1,500 horsepower with optional ARP 2000 cap screws.
  • Designed for a 4.600-inch bore with a +43cc piston dish.
  • This rotating assembly is not CARB approved and cannot ship 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

Built around a 4340 forged steel crankshaft with a 4.375-inch stroke, this Manley rotating assembly is designed for serious BBC engine builds. It includes 4340 forged steel H-beam connecting rods, which can be optioned with ARP 2000 cap screws for increased strength. The assembly also features 2618 forged aluminum Platinum Series pistons, complete with premium chrome moly wrist pins. This combination is well-suited for high-performance applications, capable of handling up to 900 horsepower with standard ARP 8740 bolts, and an impressive 1,500 horsepower when equipped with the optional ARP 2000 cap screws. This is a robust foundation for a powerful big-block Chevrolet engine.

The 4.600-inch bore size and +43cc piston dish are specific dimensions to consider for your build. This assembly is a substantial component for anyone looking to rebuild or significantly upgrade their BBC engine. It’s important to note 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 torque specifications.

Specifications

Brand
Manley Performance
Manufacturer Part #
29598HXX
UPC
807298087665

Frequently Asked Questions

Manley Rotating Assembly, BBC 582 4.375 STROKE/4.600/+43cc

$4181.04