What is included in this Manley rotating assembly?

This assembly includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods with ARP 8740 cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.

What is the maximum horsepower this assembly can handle?

The assembly supports up to 900 horsepower with the standard ARP 8740 cap screws. For higher output, it can handle up to 1,500 horsepower when equipped with optional ARP 2000 cap screws.

Specifications

Brand: Manley Performance
Part #: 28598X
UPC: 807298089768

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-t14-881086
Price: 3795.58 USD
Availability: BackOrder

$3795.58

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. This well-built assembly supports up to 1500 HP.

Key Features

This rotating assembly includes a 4340 forged steel crankshaft.
It comes with 4340 forged steel H-beam connecting rods featuring 7/16? ARP 8740 cap screws.
The kit includes 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
This assembly is designed for a BBC 598 cubic inch engine with a 4.500 inch stroke and 4.600 inch bore.
The pistons have a -3cc dish volume.
With ARP 8740 cap screws, the assembly supports up to 900 horsepower.

This product is a general engine component and does not have specific vehicle fitment. Check manufacturer specifications to confirm compatibility with your engine build.

⚠️ 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 rotating assembly includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods with 7/16? ARP 8740 cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins. It’s designed for BBC 598 cubic inch engines with a 4.500 inch stroke and a 4.600 inch bore, featuring -3cc dish pistons.

The 4340 forged steel crankshaft and H-beam connecting rods are built for strength and durability under high stress. The Platinum Series pistons are also forged from 2618 aluminum, a material known for its thermal expansion properties, making them well-suited for high-performance applications. This combination is engineered to handle significant power, with a horsepower range of 900 using the standard ARP 8740 cap screws, and an impressive 1,500 horsepower when opting for the ARP 2000 cap screws. This makes it a solid choice for serious engine builds where reliability and power output are paramount.

Please note that this assembly is not CARB approved and cannot be shipped to California. It is essential to consult with your engine builder or refer to Manley's specifications for complete installation details and recommended supporting components to achieve optimal performance and longevity.