What is the horsepower rating for this rotating assembly?

With the standard 7/16? 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 rating increases to 1,500 horsepower.

What are the key components included in this rotating assembly?

This assembly includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.

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 #: 28572
UPC: 807298075464

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-t14-881067
Price: 3698.11 USD
Availability: BackOrder

$3698.11

On Backorder

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

Manley Rotating Assembly, BBC 572 4.250 STROKE/4.625/-3cc. Built for serious power, handling up to 1500 HP.

Key Features

The crankshaft is constructed from 4340 forged steel for strength and durability.
Connecting rods are 4340 forged steel H-beam style with 7/16? ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for the connecting rods, increasing horsepower capacity.
Pistons are 2618 forged aluminum Platinum Series with premium chrome moly wrist pins.
This assembly is rated for up to 900 horsepower with ARP 8740 bolts.
With optional ARP 2000 cap screws, the assembly is capable of handling up to 1,500 horsepower.

This rotating assembly is designed for BBC 572 engines. Please verify compatibility with your specific engine build and application.

⚠️ 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

The 4340 forged steel crankshaft is the heart of this Manley rotating assembly, featuring a 4.250-inch stroke designed for BBC 572 applications. This robust foundation is paired with 4340 forged steel H-beam connecting rods, which come standard with 7/16-inch ARP 8740 cap screws, offering a solid build for demanding performance. For those pushing the limits, optional ARP 2000 cap screws are available to further enhance the rod's strength.

Complementing the crankshaft and rods are 2618 forged aluminum Platinum Series pistons. These pistons are designed for a 4.625-inch bore with a -3cc dish, helping to achieve your desired compression ratio. They include premium chrome moly wrist pins, known for their durability under high stress. This assembly is rated for up to 900 horsepower with the standard ARP 8740 bolts, and can handle an impressive 1,500 horsepower when equipped with the optional ARP 2000 cap screws, making it a well-built choice for high-performance engine builds.

Please note that this assembly is not CARB approved and cannot be shipped to California. It's crucial to verify fitment and ensure all necessary supporting components are accounted for in your build plan.