Auto Barn
Est. 1957
Manley Performance

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

$4149.58

On Backorder

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

Manley Performance BBC 582ci rotating assembly. 4.375" stroke, 4.600" bore, 43cc pistons. Part# 29598R. Supports up to 1500 HP.

Key Features

  • Fits BBC (Big Block Chevrolet) engines with a 582 cubic inch displacement.
  • Features a 4.375 inch stroke crankshaft and a 4.600 inch bore.
  • Includes 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
  • Comes with 4340 forged steel H-beam connecting rods equipped with 7/16? ARP 8740 cap screws.
  • The assembly is rated for up to 900 horsepower with the standard ARP 8740 cap screws.
  • Can support up to 1,500 horsepower when optional ARP 2000 cap screws are used for the connecting rods.
This rotating assembly is designed for Big Block Chevrolet (BBC) engines. Please verify compatibility with your specific engine block and build specifications.

⚠️ 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

Manley Performance is well-known for making strong engine components, and this BBC rotating assembly is a prime example of their commitment to building parts that can handle serious power. This kit is designed for a 582 cubic inch big block Chevrolet, featuring a 4.375-inch stroke and a 4.600-inch bore with +43cc piston dish volume. It’s a complete package to get your engine build off to a solid start.

At the heart of this assembly is a 4340 forged steel crankshaft, chosen for its strength and reliability under high stress. Paired with it are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16? ARP 8740 cap screws, which are rated for up to 900 horsepower. If your build aims higher, you can opt for ARP 2000 cap screws, pushing the rod’s capability up to 1,500 horsepower. The pistons are forged from 2618 aluminum, part of Manley's Platinum Series, and include premium chrome moly wrist pins for durability. This combination of materials and robust construction means you're getting a rotating assembly built to perform and last.

When building a high-performance engine, the rotating assembly is critical. This Manley kit provides the core components needed for a powerful BBC build. Please note that this assembly 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 #
29598R
UPC
807298080451

Frequently Asked Questions

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

$4149.58