What is the horsepower rating for this rotating assembly?

With the standard 7/16-inch ARP 8740 cap screws on the connecting rods, this assembly is rated for up to 900 horsepower. Upgrading to optional ARP 2000 cap screws raises the capacity to 1,500 horsepower.

What specific engine dimensions does this assembly fit?

This rotating assembly is designed for BBC (Big Block Chevrolet) 572 cubic inch applications. It features a 4.250-inch crankshaft stroke and is intended for engines with a 4.625-inch bore and pistons with a -3cc 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 #: 28572RHXX
UPC: 807298089720

Manley Rotating Assembly, BBC 572 4.250 STROKE/4.625/-3cc

Name: Manley Rotating Assembly, BBC 572 4.250 STROKE/4.625/-3cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-572-4-250-stroke-4-625-3cc-t14-881074
Price: 3950.27 USD
Availability: BackOrder

$3950.27

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 is known for well-built performance engine components. This BBC 572 rotating assembly is built for serious power.

Key Features

This rotating assembly fits BBC 572 applications with a 4.625-inch bore and -3cc piston dish.
Features a 4340 forged steel crankshaft with a 4.250-inch stroke.
Includes 4340 forged steel H-beam connecting rods with 7/16-inch ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for increased horsepower capacity.
2618 forged aluminum Platinum Series pistons are included.
Comes with premium chrome moly wrist pins.

This rotating assembly is designed for BBC 572 applications with a 4.625-inch bore and -3cc piston dish. 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

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About this part

Product Details

Manley Performance has a solid reputation for making strong, reliable engine parts for demanding builds. This BBC 572 rotating assembly is a prime example, designed to handle significant horsepower and deliver consistent performance.

At the heart of this assembly is a 4340 forged steel crankshaft with a 4.250-inch stroke, providing the foundation for a big-displacement engine. Paired with it are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, capable of handling up to 900 horsepower. For those pushing the limits, an upgrade to optional ARP 2000 cap screws is available, raising the horsepower ceiling to a robust 1,500 HP.

The pistons are crafted from 2618 forged aluminum, part of Manley's Platinum Series, and include premium chrome moly wrist pins. These components are chosen for their strength and ability to withstand high combustion pressures and temperatures. This assembly is intended for BBC 572 applications with a 4.625-inch bore and a -3cc piston dish, which will influence your final compression ratio.

Please note that this assembly is not CARB approved and cannot be shipped to California. It's a serious piece of kit for a serious engine build.