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. If you upgrade to the optional ARP 2000 cap screws, the rating increases to 1,500 horsepower.

What materials are used in this Manley rotating assembly?

The crankshaft and connecting rods are made from strong 4340 forged steel. The pistons are constructed from 2618 forged aluminum, and they come 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. It also carries a Prop 65 warning.

Specifications

Brand: Manley Performance
Part #: 28598RHX
UPC: 807298079868

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-t14-881083
Price: 4012.19 USD
Availability: BackOrder

$4012.19

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 BBC engines.

Key Features

Fits BBC engines with a 598 cubic inch displacement.
Features a 4.500-inch stroke crankshaft made from 4340 forged steel.
Includes 4340 forged steel H-beam connecting rods with 7/16-inch ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for the connecting rods, increasing capacity.
Comes with 2618 forged aluminum Platinum Series pistons.
Includes premium chrome moly wrist pins.

This rotating assembly is designed for BBC (Big Block Chevrolet) engines with a 598 cubic inch displacement, a 4.500-inch stroke, and a 4.600-inch bore with a -3cc piston dish. 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 is well-known for making strong internal engine components, and this BBC rotating assembly is a prime example of their commitment to building parts that can handle serious power. This kit is designed for a 598 cubic inch big block Chevrolet engine, featuring a 4.500-inch stroke crankshaft and a 4.600-inch bore size with a -3cc piston dish. If you're building a high-performance big block, this assembly gives you a solid foundation to work from.

The heart of this assembly is a 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with it are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, a popular choice for many performance builds. For those pushing the limits even further, there's an option to upgrade to ARP 2000 cap screws, which significantly increases the horsepower capacity of the rods.

The pistons are Manley's Platinum Series, made from 2618 forged aluminum, a material known for its ability to withstand high temperatures and pressures. They include premium chrome moly wrist pins for added strength and reliability. With the standard ARP 8740 bolts, this assembly is rated for up to 900 horsepower. If you opt for the ARP 2000 cap screws on the connecting rods, the assembly is capable of handling up to 1,500 horsepower, making it suitable for a wide range of demanding applications.

Please note that this assembly is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.