What is the horsepower rating for this rotating assembly?

With the standard 7/16-inch ARP 8740 cap screws, this assembly is rated for up to 900 horsepower. If you opt for the upgrade to ARP 2000 cap screws, the rating increases to 1,500 horsepower.

What specific engine configuration does this assembly fit?

This Manley rotating assembly is designed for big block Chevrolet (BBC) engines with a 598 cubic inch displacement. It features a 4.500-inch stroke crankshaft and is intended for use with a 4.600-inch bore.

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 #: 28598R
UPC: 807298079905

Manley Rotating Assembly, BBC 598 4.500 STROKE/4.600/-3cc

Name: Manley Rotating Assembly, BBC 598 4.500 STROKE/4.600/-3cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-598-4-500-stroke-4-600-3cc-t14-881081
Price: 3888.15 USD
Availability: BackOrder

$3888.15

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 598 4.500 STROKE/4.600/-3cc. Built for high-horsepower big block Chevy builds.

Key Features

This Manley rotating assembly fits big block Chevrolet engines with a 598 cubic inch displacement.
It includes a 4340 forged steel crankshaft with a 4.500-inch stroke.
The assembly features 4340 forged steel H-beam connecting rods equipped with 7/16-inch ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for the connecting rods, supporting higher horsepower applications.
It comes with 2618 forged aluminum Platinum Series pistons featuring a -3cc dish volume and premium chrome moly wrist pins.
This rotating assembly is rated for up to 900 horsepower with the standard ARP 8740 cap screws.

This rotating assembly is designed for big block Chevrolet engines. 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

This Manley Performance rotating assembly is built for serious big block Chevrolet (BBC) engine builds, specifically for the 598 cubic inch displacement. It features a 4.500-inch stroke crankshaft and is designed to work with a 4.600-inch bore, with pistons that have a -3cc dish volume. This is a foundational piece for anyone looking to create a powerful engine for racing or high-performance street applications.

At its core is a 4340 forged steel crankshaft, chosen for its strength and durability under extreme stress. Paired with this are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, a solid choice for builds up to 900 horsepower. For those pushing the limits further, there's an option to upgrade to ARP 2000 cap screws, which can support up to 1,500 horsepower. The assembly also includes 2618 forged aluminum Platinum Series pistons, known for their excellent thermal stability and strength. These pistons come with premium chrome moly wrist pins, adding to the overall robustness of the rotating assembly.

When assembling an engine of this caliber, it's important to note that this rotating assembly is not CARB approved and cannot be shipped to California. Proper balancing and installation by a qualified professional are crucial for achieving the performance and longevity this assembly is capable of. This kit is designed for builders who demand reliable power and are willing to invest in top-tier components for their big block Chevy.