What is the horsepower rating for this rotating assembly?

With the standard ARP 8740 cap screws on the connecting rods, this assembly is rated for up to 900 horsepower. If you opt for the ARP 2000 cap screws, the assembly can support up to 1,500 horsepower.

What specific engine configuration is this assembly designed for?

This assembly is configured for a Big Block Chevrolet (BBC) engine with a 582 cubic inch displacement. It features a 4.375-inch stroke and a 4.600-inch bore, with pistons that have a 43cc dish.

Are there any restrictions on shipping this product?

Yes, this rotating assembly is not CARB approved and therefore cannot be shipped to California due to emissions regulations.

Specifications

Brand: Manley Performance
Part #: 39582H
UPC: 807298087207

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

Name: Manley Rotating Assembly, BBC 582 4.375 STROKE/4.600/+43cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-582-4-375-stroke-4-600-43cc-t14-881016
Price: 4152.46 USD
Availability: BackOrder

$4152.46

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. Built for high-horsepower builds, handling up to 1500 HP.

Key Features

Verified fitment for BBC 582ci engine builds.
Features a 4340 forged steel crankshaft for strength.
Includes 4340 forged steel H-beam connecting rods.
Connecting rods use 7/16? ARP 8740 cap screws, supporting up to 900 HP.
Optional ARP 2000 cap screws can be fitted to support up to 1,500 HP.
2618 forged aluminum Platinum Series pistons are included.

This rotating assembly is designed for BBC (Big Block Chevrolet) engines with a 582 cubic inch displacement, 4.375-inch stroke, and 4.600-inch bore. It 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

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

Manley Performance has a solid reputation for making well-built engine components, and this BBC rotating assembly is a prime example of their commitment to performance. If you're building a serious big-block Chevrolet engine, this kit is designed to handle some serious power. It's a complete package that gives you the core rotating parts needed to get your engine project off the ground.

At the heart of this assembly is a 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with that are 4340 forged steel H-beam connecting rods. These rods come with 7/16? ARP 8740 cap screws, which are strong enough for up to 900 horsepower. If your build is pushing beyond that, you can opt for ARP 2000 cap screws, which will support up to 1,500 horsepower. The pistons are from Manley's Platinum Series, made from 2618 forged aluminum and include premium chrome moly wrist pins for added reliability.

This assembly is configured for a 582 cubic inch displacement with a 4.375-inch stroke and a 4.600-inch bore, featuring pistons with a 43cc dish. Keep in mind that this assembly is not CARB approved and cannot be shipped to California. It's a robust option for anyone looking to build a high-performance big-block Chevy engine.