What is the horsepower rating for this Manley rotating assembly?

This Manley rotating assembly is rated for up to 900 horsepower when using the standard ARP 8740 cap screws on the connecting rods. If you opt for the upgrade to ARP 2000 cap screws, the assembly is capable of handling up to 1,500 horsepower.

What specific engine dimensions does this assembly accommodate?

This assembly is designed for Big Block Chevrolet (BBC) engines with a 582 cubic inch displacement. It features a 4.375-inch stroke and is intended for blocks with a 4.600-inch bore, utilizing pistons with 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 #: 29598RHX
UPC: 807298087672

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-t14-880964
Price: 4273.61 USD
Availability: BackOrder

$4273.61

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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 582 4.375 STROKE/4.600/+43cc. Built for high-horsepower BBC builds.

Key Features

This rotating assembly fits Big Block Chevrolet (BBC) engines with a 582 cubic inch displacement.
It features a 4.375-inch stroke crankshaft and is designed for a 4.600-inch bore.
The pistons are 2618 forged aluminum Platinum Series with Premium Chrome Moly wrist pins.
The crankshaft and H-beam connecting rods are constructed from strong 4340 forged steel.
Connecting rods include 7/16-inch ARP 8740 cap screws, with an option for ARP 2000 cap screws.
This assembly is rated for up to 900 horsepower with ARP 8740 fasteners and up to 1,500 horsepower with optional ARP 2000 fasteners.

This rotating assembly is designed for Big Block Chevrolet (BBC) engines. Check manufacturer specifications to confirm compatibility with your specific engine block and build requirements.

⚠️ 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

If you're building a serious big-block Chevrolet engine and need a solid foundation for serious power, a Manley rotating assembly is a smart way to go. This BBC 582ci assembly is designed for builds aiming for substantial horsepower, featuring a 4.375-inch stroke and accommodating a 4.600-inch bore with +43cc piston dish.

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, which come standard with 7/16-inch ARP 8740 cap screws. For those pushing the limits even further, there's an option to upgrade to ARP 2000 cap screws, allowing this assembly to handle up to 1,500 horsepower. The pistons are 2618 forged aluminum from Manley's Platinum Series, complete with Premium Chrome Moly wrist pins, ensuring they can withstand the demands of a high-performance engine. With the standard ARP 8740 fasteners, this assembly is rated for up to 900 horsepower, making it a versatile choice for a wide range of powerful BBC applications.

This rotating assembly is a significant investment in your engine build, providing the core components needed for a robust and powerful powerplant. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed specifications and installation guidelines for proper assembly and tuning.