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 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 piston dish volume and bore size for this assembly?

The pistons in this assembly feature a -3cc dish and are designed for a 4.600-inch bore, contributing to a 565 cubic inch displacement for BBC engines.

Specifications

Brand: Manley Performance
Part #: 28565RHX
UPC: 807298089652

Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/-3cc

Name: Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/-3cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-565-4-250-stroke-4-600-3cc-t14-881063
Price: 3932.40 USD
Availability: BackOrder

$3932.40

On Backorder

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

Manley BBC 565 rotating assembly for serious builds. Handles up to 1500 HP with optional ARP 2000 bolts.

Key Features

Fits BBC (Big Block Chevrolet) engines with a 565 cubic inch displacement.
Includes a 4340 forged steel crankshaft with a 4.250-inch stroke.
Comes with 4340 forged steel H-beam connecting rods featuring 7/16? ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for connecting rods, supporting up to 1,500 horsepower.
Features 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
Pistons have a -3cc dish and are designed for a 4.600-inch bore.

This rotating assembly is designed for Big Block Chevrolet (BBC) 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

If you're building a serious big-block Chevrolet engine, a strong rotating assembly is the heart of the operation. This Manley Performance BBC 565 rotating assembly is designed for those who demand robust performance and reliability for high-horsepower 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? ARP 8740 cap screws, capable of handling up to 900 horsepower. For even more demanding builds, you can opt for ARP 2000 cap screws, which allow this assembly to support up to 1,500 horsepower. The pistons are forged from 2618 aluminum, part of Manley's Platinum Series, and include premium chrome moly wrist pins for added strength and longevity.

This assembly features a 4.250-inch stroke and 4.600-inch bore with a -3cc piston dish, making it a popular choice for 565 cubic inch builds. Please note that this assembly is not CARB approved and cannot be shipped to California. It's a well-built foundation for a powerful engine build.